Barium Chromate Extra Pure

Original price was: $ 17.00.Current price is: $ 16.98.
Barium Chromate Extra Pure is a high-purity, yellow crystalline powder used in laboratory chemistry for analytical, inorganic, and materials science applications. It is commonly employed in the detection of lead and other metal ions through precipitation reactions and serves as an oxidizing agent in qualitative analysis. In materials research, it is studied for its corrosion-inhibiting properties and thermal stability. Its insolubility in water and distinctive color make it useful in pigment research and educational demonstrations of double displacement and precipitation reactions. The extra pure grade ensures minimal contamination, providing reliable results in sensitive analytical work. Due to its toxicity and the presence of hexavalent chromium, it must be handled with proper safety precautions and stored in a cool, dry, well-sealed container away from incompatible substances.  

Barium Hydroxide Hydrate Extra Pure

Original price was: $ 18.00.Current price is: $ 17.34.
Barium Hydroxide Hydrate Extra Pure is a high-purity, white crystalline compound containing eight molecules of water of crystallization. It is widely used in laboratory chemistry as a strong base in titration, qualitative analysis, and inorganic synthesis. Its high solubility in water and strong alkalinity make it valuable for neutralization reactions, preparation of barium salts, and as a reagent for detecting sulfates, carbonates, and phosphates. In analytical applications, it is often used where precise pH control and minimal contamination are critical. The extra pure grade ensures consistent performance in high-accuracy experiments. It should be handled with care and stored in a tightly sealed container in a cool, dry place, as it is caustic and sensitive to carbon dioxide in the air, which can lead to carbonate formation.

Barium Nitrate Extra Pure

Original price was: $ 18.00.Current price is: $ 17.54.
Barium Nitrate Extra Pure is a high-purity, white crystalline compound widely used in laboratory chemistry for analytical, inorganic, and combustion-related studies. As a strong oxidizing agent, it plays a key role in thermal decomposition and pyrotechnic research, producing a characteristic green flame in flame tests. It is also used in the synthesis of other barium compounds, precipitation reactions, and studies involving nitrate chemistry. The extra pure grade ensures minimal levels of impurities, making it suitable for high-precision experiments and sensitive analytical work. Due to its oxidizing nature and toxicity, it should be handled with care and stored in tightly sealed containers in a cool, dry place, away from organic materials and heat sources.

Barium Sulphate Extra pure

Original price was: $ 18.00.Current price is: $ 17.76.
Barium Sulphate Extra Pure is a high-purity, white, odorless crystalline powder known for its extreme insolubility in water and chemical inertness, making it highly useful in laboratory settings for qualitative analysis and gravimetric determinations. It is commonly employed in the detection and quantification of sulfate ions through precipitation reactions, as well as in studies involving solubility equilibria and surface chemistry. Its high density and stability also make it valuable in preparing calibration standards and radiopaque materials in research. The extra pure grade ensures minimal contamination, providing consistent and reliable results in sensitive analytical procedures. It should be stored in a dry, tightly sealed container to maintain its quality and prevent contamination.

Barlows Wheel Apparatus

Original price was: $ 34.90.Current price is: $ 34.83.
Barlows Wheel Apparatus is a classic physics demonstration device used to illustrate electromagnetic effects, specifically the principles of electric motors and the interaction between magnetic fields and electric current. It consists of a rotating wheel in contact with an electric circuit and a magnetic field, demonstrating motion generated by electromagnetic forces. The apparatus is widely used in educational laboratories to teach fundamental concepts of electromagnetism and motor action, as well as in industrial training for understanding motor components and operation.

Barometer Tubes

Original price was: $ 7.15.Current price is: $ 7.08.
Barometer Tubes are precision glass tubes used in barometers to measure atmospheric pressure. These tubes are typically filled with mercury or other suitable liquids and are sealed to allow accurate pressure readings based on liquid column height. Barometer tubes are essential components in meteorological instruments and laboratory equipment for pressure measurement and environmental monitoring. Manufactured with high-quality, clear glass, they provide durability, clarity, and accurate fluid displacement for precise readings.

Beaker Hysil

Original price was: $ 8.15.Current price is: $ 8.09.
Beaker Hysil is a high-quality borosilicate glass laboratory beaker known for its excellent thermal resistance, chemical durability, and mechanical strength. It is designed for use in various scientific and industrial laboratory applications requiring heating, mixing, and measuring of liquids. The clear, transparent body allows easy observation of contents, and graduated markings provide approximate volume measurements. Beaker Hysil is widely used in educational, research, and industrial laboratories.

Beaker Plastic

Original price was: $ 10.87.Current price is: $ 10.78.
Beaker Plastic is a durable laboratory container made from high-quality, chemical-resistant plastic materials such as polypropylene or polystyrene. It is designed for mixing, measuring, and holding liquids in laboratory and industrial settings. The plastic beaker offers lightweight, shatter-resistant performance, making it ideal for routine lab work, sample preparation, and general handling of non-corrosive chemicals. It features clear or translucent walls with graduated markings for approximate volume measurement.

Beaker Pyrex

Original price was: $ 34.90.Current price is: $ 34.83.
Beaker Pyrex is a high-quality laboratory container made from borosilicate glass known for its excellent thermal resistance, chemical durability, and mechanical strength. It is widely used for mixing, heating, and holding liquids in laboratories and industrial applications. Pyrex beakers can withstand rapid temperature changes without cracking, making them ideal for heating and cooling processes. They feature clear, transparent walls with easy-to-read graduated markings for volume measurement.

Beaker Simax

Original price was: $ 38.85.Current price is: $ 38.76.
Beaker Simax is a high-quality borosilicate glass laboratory container renowned for its excellent thermal shock resistance, chemical durability, and mechanical strength. Manufactured by Simax, this beaker is ideal for mixing, heating, and holding liquids in laboratory and industrial environments. It can withstand sudden temperature changes without cracking, making it suitable for heating, cooling, and chemical processing. The clear glass body features graduated markings for approximate volume measurement.

Bell in Vacuum

Original price was: $ 40.02.Current price is: $ 30.96.
Bell in Vacuum is a crucial component used in vacuum systems to create an airtight seal and protect sensitive equipment from atmospheric contamination. Typically made of durable, corrosion-resistant materials, it forms part of vacuum chambers or devices requiring controlled environments. The bell ensures the maintenance of vacuum integrity by preventing air ingress, making it essential for experiments and industrial processes that depend on low-pressure or vacuum conditions.

Bell in Vacuum with Air Pump with Plate

Original price was: $ 49.03.Current price is: $ 48.99.
Bell in Vacuum with Air Pump with Plate is an integrated vacuum apparatus used to create and maintain low-pressure environments for laboratory and industrial applications. This assembly includes a vacuum bell, an air pump to evacuate air from the chamber, and a sturdy plate to support or seal samples or components during vacuum processes. Designed for durability and reliability, it is widely used in experiments requiring controlled atmospheric pressure, including vacuum filtration, drying, and physical science demonstrations.

Bell Jar with Knob

Original price was: $ 29.50.Current price is: $ 29.41.
Bell Jar with Knob is a dome-shaped vacuum accessory used to enclose and isolate experimental setups under reduced pressure. Made from thick borosilicate glass or impact-resistant acrylic, it features an integrated knob at the top for safe handling and positioning over vacuum plates. Its transparent body allows full visibility of internal processes while maintaining structural integrity under vacuum. Commonly used in laboratory and industrial applications, it supports vacuum experiments, sample isolation, degassing, and pressure-related demonstrations.

Benedict Solution Extra Pure

Original price was: $ 35.00.Current price is: $ 34.78.
Benedict Solution Extra Pure is a high-purity, blue-colored reagent solution widely used in laboratory settings for the qualitative detection of reducing sugars, such as glucose and fructose. It contains copper(II) sulfate, sodium citrate, and sodium carbonate, which react with reducing sugars under heat to form a colored precipitate ranging from green to brick red, depending on sugar concentration. This makes it essential in biochemical and educational laboratories for carbohydrate analysis and metabolic studies. The extra pure grade ensures consistent composition and reliable colorimetric response, supporting accurate and reproducible results in teaching and research environments. It should be stored in a cool, dark place in a tightly sealed container to maintain stability and prevent degradation.

Benzene Extra Pure

Original price was: $ 39.00.Current price is: $ 38.24.
Benzene Extra Pure is a high-purity, clear, highly volatile, and flammable liquid with a characteristic aromatic odor, used extensively in laboratory settings for analytical, organic, and physical chemistry applications. It serves as a non-polar solvent for a wide range of chemical reactions, particularly in the study of aromatic compounds, electrophilic substitution mechanisms, and polymer chemistry. Its stability and solvency make it suitable for sample preparation, purification processes, and spectral analysis. The extra pure grade ensures minimal impurities, delivering consistent results in precision research. Due to its toxic and carcinogenic nature, benzene must be handled in a well-ventilated fume hood with appropriate protective equipment and stored in tightly sealed containers away from heat, sparks, and oxidizers.

Benzoic Acid Extra Pure

Original price was: $ 18.00.Current price is: $ 17.67.
Benzoic Acid Extra Pure is a high-purity, white crystalline solid widely used in laboratory chemistry for analytical, organic, and preparative applications. It serves as a fundamental compound in the study of carboxylic acids, esterification reactions, and recrystallization techniques. Its well-defined melting point and chemical stability make it ideal for calibration and thermal analysis. Additionally, benzoic acid is commonly employed as a preservative standard and in pH-buffering studies. The extra pure grade ensures minimal contamination, offering reliability and accuracy in high-precision experiments. It should be stored in a cool, dry place in a tightly sealed container, away from strong oxidizers.

Benzyl Alcohol Extra Pure

Original price was: $ 35.00.Current price is: $ 34.43.
Benzyl Alcohol Extra Pure is a high-purity, clear, colorless liquid with a mild aromatic odor, widely used in laboratory chemistry for analytical, synthetic, and preparative applications. It functions as a versatile solvent for inks, resins, waxes, and dyes, and plays a key role in organic synthesis, particularly in esterification and benzylation reactions. Its moderate polarity and low volatility make it valuable in sample preparation, chromatography, and pharmaceutical research. The extra pure grade guarantees minimal levels of impurities, ensuring reliable performance in high-precision laboratory procedures. Benzyl alcohol should be handled with care and stored in a tightly sealed container in a cool, dry place, away from strong oxidizing agents.

Bernoulli Tube Apparatus

Original price was: $ 29.02.Current price is: $ 28.98.
Bernoulli Tube Apparatus is a precision-engineered device designed to demonstrate and analyze the principles of fluid dynamics, specifically Bernoulli’s theorem. It consists of a transparent, variable-diameter horizontal tube equipped with multiple pressure tap points connected to manometer tubes. This allows for the visual observation and quantitative measurement of pressure, velocity, and flow relationships as fluid moves through different cross-sectional areas. Commonly used in laboratory and industrial fluid mechanics testing, it helps validate theoretical predictions in controlled experimental conditions.

Beta Arbutin Extra Pure

Original price was: $ 30.00.Current price is: $ 29.56.
Beta Arbutin Extra Pure is a high-purity, white crystalline powder primarily used in laboratory research involving biochemical, pharmaceutical, and cosmetic studies. It is a glycosylated hydroquinone known for its role as a tyrosinase inhibitor, making it significant in the investigation of melanin biosynthesis and skin depigmentation mechanisms. In pharmaceutical and cosmetic research, it is often evaluated for its antioxidant properties and potential therapeutic applications in skin-lightening formulations. The extra pure grade ensures high chemical stability and minimal impurities, supporting reliable results in sensitive assays and analytical procedures. It should be stored in a cool, dry environment, protected from light and moisture.

Bicarbonate Indicator Extra Pure

Original price was: $ 17.00.Current price is: $ 16.45.
Bicarbonate Indicator Extra Pure is a high-purity, specially formulated solution used in laboratory settings to detect and monitor changes in bicarbonate ion concentration, particularly in biological and environmental experiments. It typically contains a pH-sensitive dye that changes color in response to shifts in carbon dioxide or bicarbonate levels, making it valuable in studies of respiration, photosynthesis, and water quality. This indicator is often employed in teaching labs to visually demonstrate gas exchange or acid-base balance. The extra pure grade ensures consistent performance, color clarity, and minimal background interference in precise analytical work. It should be stored in a cool, dark place in a tightly closed container to maintain its sensitivity and stability.

Bismuth Nitrate Extra Pure

Original price was: $ 16.00.Current price is: $ 15.87.
Bismuth Nitrate Extra Pure is a high-purity inorganic compound composed of bismuth and nitrate ions, typically supplied as a crystalline solid or powder. It is widely used as a precursor in chemical synthesis, pharmaceuticals, cosmetics, and industrial applications. Known for its excellent solubility in nitric acid and water, this compound serves as a source of bismuth ions in various chemical reactions and formulations. Its high purity ensures minimal impurities, making it suitable for sensitive applications requiring consistent quality and performance.

Bitter Masking Pharmaceutical Liquid Flavors Extra Pure

Original price was: $ 15.00.Current price is: $ 14.56.
Bitter Masking Pharmaceutical Liquid Flavors Extra Pure is a high-quality formulation designed to effectively mask unpleasant or bitter tastes in oral pharmaceutical preparations during laboratory research and development. This flavoring agent is essential in the compounding of liquid medications, syrups, and suspensions, particularly for pediatric and geriatric studies, where palatability is crucial for compliance. It is crafted to maintain chemical compatibility with active ingredients while preserving the stability and efficacy of the formulation. The extra pure grade ensures low impurity levels, consistent performance, and safety in sensitive pharmaceutical applications. It should be stored in a tightly sealed container, away from light and heat, to preserve its flavor integrity and quality.

Black Castor Oil

Original price was: $ 31.35.Current price is: $ 31.27.
Black Castor Oil is a highly viscous, nutrient-dense oil extracted from roasted castor beans (Ricinus communis). Unlike traditional castor oil, this variant is produced by roasting the beans before pressing, resulting in a dark amber to black hue and a distinct, smoky aroma. The roasting process enhances the oil’s ricinoleic acid content, giving it superior anti-inflammatory, antimicrobial, and moisturizing properties. It is widely used in cosmetic, personal care, and pharmaceutical formulations due to its ability to promote hair growth, strengthen roots, hydrate dry skin, and soothe scalp conditions. It also acts as a natural humectant, drawing moisture into skin and hair. In traditional wellness and therapeutic practices, Black Castor Oil is valued for its warming and circulatory-boosting effects.

Black Cumin Seed Oil

Original price was: $ 31.35.Current price is: $ 31.25.
Black Cumin Seed Oil, also known as Nigella Sativa Oil or Black Seed Oil, is a cold-pressed oil extracted from the seeds of the Nigella sativa plant. Revered for centuries in traditional medicine systems like Ayurveda and Unani, this oil is packed with thymoquinone, essential fatty acids, vitamins, and antioxidants that contribute to its potent anti-inflammatory, antimicrobial, and immune-boosting properties. It is widely used in cosmetic, pharmaceutical, and nutraceutical formulations. Black Cumin Seed Oil supports skin healing, helps reduce acne and inflammation, and can nourish scalp and hair follicles. Internally, it is known to promote digestive health, respiratory wellness, and immune system support. The oil has a slightly bitter, pungent aroma and golden to dark amber color. It is available in cosmetic, pharmaceutical, and food grades for varied applications.

Blackcurrant and Vanilla Fragrance Water Soluble

Original price was: $ 22.20.Current price is: $ 22.11.
Blackcurrant and Vanilla Fragrance Water Soluble is a sophisticated aromatic blend that combines the tart, fruity notes of ripe blackcurrant with the creamy sweetness of vanilla. Designed specifically for water-based formulations, this fragrance ensures excellent solubility and stability without separation or cloudiness. It offers a well-balanced, long-lasting scent ideal for personal care products, household cleaners, and specialty formulations. Its dual character of freshness and warmth adds sensory richness to products while maintaining clarity and performance.

Bleaching Earth

Original price was: $ 1.00.Current price is: $ 0.90.
Bleaching Earth is a fine, highly adsorptive clay material derived primarily from bentonite or montmorillonite, and in some cases from attapulgite or sepiolite. It is typically activated using acid treatment to enhance its surface area and pore structure. It is widely used to remove color, contaminants, impurities, and odors from edible oils, fats, waxes, petroleum products, and various industrial fluids. Its high adsorption capacity, non-toxic nature, and effectiveness in filtration make it essential in food processing, chemical industries, cosmetics, and waste treatment applications.

Bleaching Powder Extra Pure

Original price was: $ 17.00.Current price is: $ 16.89.
Bleaching Powder Extra Pure is a high-purity, white to slightly yellowish powder composed primarily of calcium hypochlorite, widely used in laboratory settings for disinfection, oxidation, and chemical analysis. It serves as a strong oxidizing agent and is employed in qualitative tests for halogens, water treatment simulations, and preparation of chlorine-based reagents. In microbiology and environmental science labs, it is often used to sterilize surfaces and decontaminate samples. The extra pure grade ensures high available chlorine content and minimal impurities, making it reliable for precision applications. It should be stored in a cool, dry place, in airtight containers, away from moisture, organic substances, and acids to maintain its stability and reactivity.

Blotting Paper

Original price was: $ 7.82.Current price is: $ 7.74.
Blotting Paper is a highly absorbent, unsized paper made from purified cellulose, used primarily for absorbing excess liquids such as ink, oils, and solvents. In laboratory and industrial settings, it is critical for procedures requiring rapid and uniform absorption without chemical interference. Its porous and capillary-active nature makes it ideal for blotting techniques in analytical chemistry, biology (such as electrophoresis or Western blotting), and precision cleaning tasks. Blotting paper is available in various thicknesses and porosities to suit specific tasks, from fine analytical work to heavy-duty industrial absorption needs.

Blow Pipes

Original price was: $ 7.12.Current price is: $ 7.09.
Blow Pipes are slender, tubular instruments used to direct a focused stream of air or gas onto a flame to increase its temperature and precision during chemical, metallurgical, or glasswork operations. Constructed from heat-resistant metal or glass, blow pipes are essential tools in laboratory flame tests, small-scale metal soldering, glassblowing, and analytical chemistry for identifying elements through flame color reactions. Their simple yet efficient design enables precise flame control and directional heating, critical for both qualitative analysis and delicate manual fabrication tasks.

Blue Berry Fragrance Oil

Original price was: $ 21.69.Current price is: $ 21.57.
Blue Berry Fragrance Oil is a richly aromatic, sweet, and juicy scent capturing the natural essence of fresh blueberries. This oil-soluble fragrance is designed to bring a vibrant, fruity, and slightly tart aroma to a variety of personal care, cosmetic, and specialty products. It offers excellent stability and diffusion in formulations such as lotions, candles, soaps, and bath products, enhancing them with a fresh and lively blueberry scent that evokes a sense of freshness and vitality.

Boiling Flask Flat Bottom

Original price was: $ 15.04.Current price is: $ 14.98.
The Boiling Flask Flat Bottom is a laboratory glassware item designed for heating, boiling, and mixing chemical solutions. It features a flat base that allows it to stand independently on lab benches or heating surfaces. Made from high-quality borosilicate glass, it provides excellent thermal resistance and chemical durability. The flask’s wide mouth facilitates easy pouring, filling, and cleaning. It is commonly used in laboratories for distillation, reflux, and other heating applications requiring uniform heat distribution.

Borax Decahydrate

Original price was: $ 3.00.Current price is: $ 2.14.
Borax Decahydrate, also known as sodium tetraborate decahydrate, is a naturally occurring mineral and an important inorganic compound. It appears as colorless or white crystalline granules or powder with a salty, alkaline taste. This compound is widely used in detergents, cosmetics, glass manufacturing, agriculture, and various industrial applications due to its excellent buffering, emulsifying, and antiseptic properties. The “decahydrate” indicates that each molecule of borax contains ten water molecules bound in its crystal structure, contributing to its crystalline appearance and physical properties.

Borax Extra Pure

Original price was: $ 18.00.Current price is: $ 17.87.
Borax Extra Pure, also known as sodium tetraborate decahydrate, is a high-purity crystalline compound widely used in laboratory applications involving buffer preparation, flame tests, and qualitative inorganic analysis. It serves as a valuable reagent in analytical chemistry for detecting metal ions, especially in borax bead tests, and is commonly used to prepare borate buffers for biochemical experiments due to its stable pH-regulating properties. Its ability to act as a mild alkali and complexing agent makes it suitable for various titration and solubility studies. The extra pure grade guarantees minimal contamination, ensuring accurate and consistent results in sensitive laboratory work. It should be stored in a tightly sealed container in a cool, dry environment, away from acids and moisture.  

Borax Pentahydrate

Original price was: $ 3.00.Current price is: $ 2.14.
Borax Pentahydrate (sodium tetraborate pentahydrate) is an inorganic compound and a hydrated form of borax. It typically appears as colorless to white crystalline granules or powder. This compound contains five molecules of water of crystallization per formula unit, distinguishing it from other borax hydrates such as the decahydrate form. Borax Pentahydrate is widely used across industries including detergents, glass production, agriculture, and cosmetics, valued for its buffering capacity, emulsification, and antiseptic properties. It is soluble in water and exhibits alkaline properties in aqueous solution.

Boric Acid

Original price was: $ 4.00.Current price is: $ 3.03.
Boric Acid, chemically known as hydrogen borate or boracic acid, is a weak, monobasic Lewis acid of boron. It appears as a white, crystalline powder or granules that are odorless and slightly soluble in water. Boric Acid is commonly used in antiseptics, insecticides, flame retardants, and as a buffering agent in various industrial and pharmaceutical applications. Due to its mild antiseptic and antifungal properties, it is often used in ophthalmic, dermatologic, and other personal care formulations. It also plays a key role in glass and ceramics manufacturing as well as in agriculture.

Boric Acid Extra Pure

Original price was: $ 19.00.Current price is: $ 18.89.
Boric Acid Extra Pure is a high-purity, white crystalline powder commonly used in laboratory settings for analytical chemistry, buffer preparation, and microbiological applications. It acts as a mild acid and is frequently employed in the formulation of buffer solutions, particularly in electrophoresis and biochemical assays. In coordination chemistry and material science research, it is utilized as a source of boron and as a precursor for borate compounds. Its antifungal and antiseptic properties also make it useful in pharmaceutical and antimicrobial testing. The extra pure grade ensures excellent purity, low moisture content, and consistent performance in sensitive experimental conditions. It should be stored in a cool, dry place in tightly sealed containers, away from incompatible substances such as strong bases.  

Borosilicate Glass Tubings

Original price was: $ 10.02.Current price is: $ 9.80.
Borosilicate Glass Tubings are high-quality glass tubes made from borosilicate material, known for excellent thermal resistance and chemical durability. These tubes are used extensively in laboratories and industries for transporting gases and liquids, conducting experiments, and fabricating custom glass apparatus. Their high resistance to thermal shock and chemical corrosion makes them ideal for harsh lab environments and industrial processes. Available in various diameters and lengths, these tubings can be cut or bent to suit specific experimental setups.

Bottle Dropper Rabbit Type Plastic

Original price was: $ 8.17.Current price is: $ 8.07.
The Bottle Dropper Rabbit Type Plastic is a lightweight, durable dropper bottle designed for precise dispensing of liquids in laboratory and industrial settings. Made from high-quality plastic materials, it offers excellent chemical resistance and ease of use. The “rabbit type” dropper tip provides controlled droplet flow, ideal for titration, reagent addition, and sample handling. This bottle is widely used for dispensing small volumes of liquids safely and accurately, ensuring contamination-free handling and convenient storage.

Bourdan Gauge

Original price was: $ 27.11.Current price is: $ 27.09.
The Bourdon Gauge is a mechanical pressure measuring instrument widely used to measure medium to high pressure of gases and liquids in various laboratory and industrial applications. It consists of a curved, hollow metal tube which straightens as pressure increases, causing a pointer to move over a calibrated scale for easy reading. Known for its durability, reliability, and precision, the Bourdon Gauge is essential in pressure monitoring, process control, and safety systems. It operates without electrical power, making it ideal for harsh environments.

Brilliant Blue Extra Pure

Original price was: $ 18.00.Current price is: $ 17.21.
Brilliant Blue Extra Pure is a high-purity synthetic dye extensively used in laboratory research, particularly in biochemistry, molecular biology, and microbiology. It is commonly employed as a protein stain in techniques such as SDS-PAGE, where it binds to proteins for visualization and quantification. Additionally, it is used in spectrophotometric assays, as a pH indicator, and in dye tracing studies to monitor fluid movement or diffusion. The extra pure grade ensures consistent dye intensity, minimal impurities, and high solubility, making it ideal for precise analytical and experimental applications. It should be stored in a cool, dry environment, protected from light and tightly sealed to maintain its color integrity and stability.

Brilliant Green Extra Pure

Original price was: $ 17.00.Current price is: $ 16.67.
Brilliant Green Extra Pure is a high-purity, intense green dye primarily used in microbiology and analytical laboratories for staining and selective microbial inhibition. It is especially effective in culture media to isolate specific bacterial strains, such as Salmonella spp., by suppressing the growth of gram-positive organisms. In addition to its antimicrobial role, it serves as a histological stain in biological research and is used in tracing, titration, and other colorimetric assays. The extra pure grade guarantees high dye content, minimal impurities, and excellent consistency, ensuring reliable results in sensitive and precise laboratory work. It should be stored in a tightly sealed container, away from direct light and heat, to preserve its stability and effectiveness.

Bromelain Extra Pure

Original price was: $ 18.00.Current price is: $ 17.34.
Bromelain Extra Pure is a high-purity proteolytic enzyme derived from pineapple, widely used in laboratory research involving protein digestion, enzymatic reactions, and biochemical assays. It is particularly valued for its ability to hydrolyze a broad range of protein substrates, making it useful in studies of protein structure, enzyme kinetics, and tissue dissociation. In pharmaceutical and biomedical laboratories, it is also investigated for its anti-inflammatory, fibrinolytic, and mucolytic properties. The extra pure grade ensures minimal contamination from other enzymes or plant materials, offering consistent and reliable enzymatic activity. Bromelain should be stored in a cool, dry place in tightly sealed containers to maintain its stability and effectiveness.

Bromine Liquid Extra Pure

Original price was: $ 17.00.Current price is: $ 16.78.
Bromine Liquid Extra Pure is a high-purity, reddish-brown volatile liquid used in advanced laboratory research involving halogenation reactions, redox studies, and analytical chemistry. It serves as a powerful oxidizing and brominating agent in organic synthesis, facilitating the substitution of hydrogen atoms with bromine in a wide range of compounds. In inorganic analysis, it is employed in the preparation of bromide salts and in the determination of unsaturation in oils and fats. Due to its high reactivity and corrosiveness, it is handled under strict safety protocols in fume hoods with appropriate protective equipment. The extra pure grade ensures minimal contamination and consistent reactivity, making it suitable for precise and high-sensitivity applications. It must be stored in tightly sealed, corrosion-resistant containers, away from heat, light, and incompatible materials such as organic solvents and reducing agents.

Bromine Water Extra Pure

Original price was: $ 19.00.Current price is: $ 18.00.
Bromine Water Extra Pure is a highly purified aqueous solution of bromine, commonly used in laboratory settings for qualitative analysis, halogenation reactions, and redox studies. It acts as a powerful oxidizing and electrophilic brominating agent, making it ideal for detecting unsaturation in organic compounds—such as alkenes and alkynes—through decolorization tests. In inorganic chemistry, it is utilized for oxidation of specific ions and elements in solution. The extra pure grade ensures low contamination and consistent bromine concentration, crucial for reproducible analytical results. It should be stored in amber, airtight containers in a cool, well-ventilated area, and handled with proper protective equipment due to its corrosive and volatile nature.

Bromothymol Blue Extra Pure

Original price was: $ 18.00.Current price is: $ 17.00.
Bromothymol Blue Extra Pure is a high-purity pH indicator dye widely used in laboratory experiments, especially in acid-base titrations and biological research. It exhibits a distinct color change from yellow in acidic solutions (pH < 6.0) to blue in basic conditions (pH > 7.6), making it valuable for monitoring pH changes in aqueous systems. This dye is also employed in respiratory experiments to detect CO₂ levels through pH shifts. The extra pure grade ensures excellent color stability, high sensitivity, and minimal impurities, making it suitable for precise analytical and educational applications. It should be stored in a tightly closed container, protected from light and moisture to maintain its integrity.

Bubble Gum Fragrance Oil

Original price was: $ 24.70.Current price is: $ 24.65.
Bubble Gum Fragrance Oil is a high-quality aromatic oil designed to impart the classic sweet, fruity, and nostalgic scent of bubble gum. This fragrance oil is widely used in a variety of personal care and household products to provide a fun and playful aroma. It is carefully formulated for stability and long-lasting scent performance, making it ideal for use in soaps, candles, air fresheners, and cosmetic formulations.

Buchner Funnel

Original price was: $ 25.63.Current price is: $ 25.54.
The Buchner Funnel is a laboratory filtration device used for vacuum filtration processes. It typically consists of a flat, perforated plate covered with a filter paper, housed in a cylindrical funnel. Made from porcelain, glass, or plastic, the Buchner Funnel allows for rapid filtration by applying vacuum suction, which speeds up the separation of solids from liquids. It is widely used in chemical, biological, and pharmaceutical laboratories for efficient solid-liquid separation during sample preparation, purification, and analysis.

Bunsen Burner Lighter

Original price was: $ 12.12.Current price is: $ 12.08.
The Bunsen Burner Lighter is a handheld ignition device designed specifically to ignite Bunsen burners and other laboratory gas burners safely and efficiently. It typically features a long, insulated handle with a spark-producing mechanism that allows users to light gas flames without risk of burns. Constructed from durable materials resistant to heat and corrosion, the lighter provides reliable ignition in laboratory environments, ensuring safe and convenient operation during experiments and heating tasks.

Bunsen Burner Nipple

Original price was: $ 7.72.Current price is: $ 7.68.
The Bunsen Burner Nipple is a small but essential laboratory component that connects the gas supply tubing to the Bunsen burner. Typically made from brass or other corrosion-resistant metals, the nipple ensures a secure and leak-proof connection between the gas source and the burner, facilitating safe and efficient gas flow for flame ignition. Designed for durability and compatibility with standard laboratory gas hoses, it supports reliable operation during heating and combustion experiments.

Burette Acrylic

Original price was: $ 26.92.Current price is: $ 26.78.
The Acrylic Burette is a precision liquid dispensing instrument used in volumetric analysis for titration experiments. Made from durable, clear acrylic plastic, this burette offers excellent chemical resistance and shatterproof performance compared to traditional glass burettes. It features clear graduation markings for accurate measurement of liquid volumes and a smooth, controllable stopcock for precise flow regulation. Ideal for use in laboratories, educational settings, and industrial quality control, the acrylic burette provides reliable and safe handling of reagents.