Showing 151–200 of 242 results

Methylene Blue Solution 500ml

Original price was: KSh4,500.00.Current price is: KSh4,000.00.

Millions Reagent 500ml

Original price was: KSh4,500.00.Current price is: KSh4,000.00.

Naphthalene Balls 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Naphthalene powder 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Naphthalene is an aromatic hydrocarbon, best known for its distinctive mothball-like odor. It appears as a white, crystalline powder. This compound is composed of two fused benzene rings, giving it a chemical formula of C₁₀H₈.

Key Properties:

  • Appearance: White, crystalline powder
  • Odor: Strong, characteristic mothball smell
  • Molecular Weight: 128.17 g/mol
  • Melting Point: 80.2°C (176.4°F)
  • Boiling Point: 218°C (424°F)
  • Solubility: Insoluble in water, but soluble in organic solvents like benzene and ethanol

Neutral Red Solution 100ml

Original price was: KSh3,500.00.Current price is: KSh3,000.00.
Neutral red solution is a commonly used biological stain in laboratory settings. It's a vital dye that can selectively stain acidic structures in cells, such as lysosomes and mitochondria, making them visible under a microscope. Neutral red solution typically consists of the dye neutral red dissolved in a buffered aqueous solution, often at a concentration of around 0.5%. It's used in various biological assays and experiments to visualize and study cellular structures and functions.

Nitric Acid 2.5 Litres Extra pure

Original price was: KSh970.00.Current price is: KSh800.00.
Nitric acid is a strong, highly corrosive mineral acid with the chemical formula HNO3. It is a colorless liquid that is soluble in water and can release nitrogen oxides when heated. Nitric acid is widely used in the manufacture of fertilizers, dyes, explosives, and other chemicals, as well as in the etching of metals and the purification of metals and semiconductors. It is also used in laboratory settings as a reagent for various chemical reactions.

Nitric Acid 68% conc 35kg

Original price was: KSh9,000.00.Current price is: KSh8,500.00.
Nitric acid is a strong, highly corrosive mineral acid with the chemical formula HNO3. It is a colorless liquid that is soluble in water and can release nitrogen oxides when heated. Nitric acid is widely used in the manufacture of fertilizers, dyes, explosives, and other chemicals, as well as in the etching of metals and the purification of metals and semiconductors. It is also used in laboratory settings as a reagent for various chemical reactions.

Ortho phosphoric Acid 2.5 liters

Original price was: KSh3,100.00.Current price is: KSh2,600.00.
Phosphoric acid is a clear, colorless, and odorless mineral acid with the chemical formula H3PO4. It is a triprotic acid, which means that it can donate three protons (hydrogen ions) per molecule when dissolved in water. Phosphoric acid is commonly used in the production of fertilizers, detergents, and food additives, as well as in various industrial applications, such as rust removal and metal surface treatment. It is also used in the production of soft drinks, where it gives a tart flavor and acts as a preservative.

Oxalic Acid 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Oxalic acid is a colorless, crystalline organic acid with the chemical formula C2H2O4. It is found naturally in many plants, such as spinach, rhubarb, and beets, and is also produced commercially for various industrial and medical applications. Oxalic acid is highly acidic and can be toxic in large doses, but it is also used in small quantities as a cleaning agent, a bleaching agent, and a chelating agent to remove metals from solution

Paraffin Wax 1kg

Original price was: KSh250.00.Current price is: KSh200.00.
Fully refined paraffin wax is a type of wax that has undergone a refining process to remove impurities and unwanted components. It is a white, odorless, and tasteless wax that is solid at room temperature and has a relatively low melting point. The refining process involves several steps, including solvent extraction, deoiling, and bleaching. Solvent extraction involves dissolving the crude wax in a solvent, which separates the wax from other components such as oil and grease. Deoiling involves removing any remaining oil and grease from the wax through vacuum distillation. Bleaching involves removing any remaining color or odor from the wax through the use of chemical agents. Fully refined paraffin wax is commonly used in a variety of applications, including candle making, coating materials, packaging, and cosmetics. Its properties, such as its low melting point and ability to retain fragrance and color, make it a popular choice in these industries

Pepsin 500mg

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Phenol Detached Crystals 500gm

Original price was: KSh3,100.00.Current price is: KSh2,500.00.
Phenol Detached Crystals" seems to be a specific phrase related to the physical state or appearance of phenol. Phenol, also known as carbolic acid, is an aromatic organic compound with the molecular formula C6H5OHC_6H_5OHC6​H5​OH. It is a white crystalline solid at room temperature and can be used in the production of plastics, pharmaceuticals, and other chemicals. If you are referring to "detached crystals," this likely describes a situation where phenol has crystallized out of a solution and the crystals are not adhering to each other or to the container, appearing as separate entities. This can happen under certain conditions, such as when a phenol solution cools down or evaporates, leading to the formation of individual phenol crystals.

Phenol Red 500grams

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Phenol Red is a chemical compound with the molecular formula C₁₆H₁₃O₆S. It is a pH indicator dye that changes color in response to pH levels. In acidic conditions (pH below 6.8), it appears yellow, and in alkaline conditions (pH above 8.2), it turns red. This makes it useful in various applications, including biological and environmental sciences, where monitoring pH changes is crucial. Phenol Red is also utilized in medical diagnostics and in the preparation of culture media for microbiology.

Phenolphthalein Powder 250gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Phenolphthalein Solution 500ml

Original price was: KSh850.00.Current price is: KSh700.00.
Phenolphthalein is a chemical compound commonly used as a pH indicator in titrations and other analytical chemistry applications. It is a colorless crystalline solid that is often dissolved in alcohol to create a phenolphthalein solution.

Properties of Phenolphthalein Solution

  1. pH Indicator:
    • Acidic Solutions (pH < 8.2): Colorless
    • Slightly Basic Solutions (pH 8.2 - 10.0): Pink to fuchsia
    • Strongly Basic Solutions (pH > 10.0): Colorless
  2. Solubility: Phenolphthalein is soluble in alcohol and slightly soluble in water.

Preparation of Phenolphthalein Solution

  1. Ingredients:
    • Phenolphthalein powder
    • Ethanol (or another suitable alcohol)
    • Distilled water
  2. Procedure:
    • Dissolve 1 gram of phenolphthalein powder in 100 mL of ethanol.
    • Dilute the solution with distilled water to make a 1% phenolphthalein solution (typically 100 mL of the ethanol solution to 900 mL of water).

Phosphorous Red 250gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Plasticine 500gm

Original price was: KSh2,000.00.Current price is: KSh1,500.00.
Can be used to make models.

Potassium Bromide 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Carbonate 500gm

Original price was: KSh1,870.00.Current price is: KSh1,700.00.
Potassium carbonate (K₂CO₃) is an inorganic compound commonly referred to as potash. It is a white salt, soluble in water, which forms a strongly alkaline solution. Here are some details about potassium carbonate:

Properties

  • Chemical Formula: K₂CO₃
  • Molar Mass: 138.205 g/mol
  • Appearance: White, hygroscopic powder
  • Density: 2.43 g/cm³
  • Melting Point: 891 °C (sublimes)
  • Solubility in Water: Highly soluble (110 g/100 mL )

Potassium Chlorate 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Potassium chlorate is a chemical compound with the molecular formula KClO3. It is a white crystalline powder that is commonly used as an oxidizing agent in various industrial processes, as well as in the production of fireworks, matches, and explosives. When heated or subjected to shock, it releases oxygen and can rapidly increase the temperature of its surroundings, making it a potentially dangerous substance if handled improperly.

Potassium Chromate

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Citrate 500gm

Original price was: KSh720.00.Current price is: KSh600.00.
  Potassium citrate is a crystalline powder that is a potassium salt of citric acid. It's commonly used as a food additive (E332) to regulate acidity and as a potassium supplement in medications. In medicine, it's prescribed to manage kidney stones by neutralizing urine acidity.

Potassium Dihydrogen Phosphate 500gm

Original price was: KSh1,125.00.Current price is: KSh950.00.
Potassium dihydrogen phosphate (KH₂PO₄) is a chemical compound often referred to as KDP. It is a water-soluble crystalline substance that is commonly used in analytical chemistry, as a buffering agent in biological and biochemical research, and in the formulation of fertilizers. Here are some key points about potassium dihydrogen phosphate:
  1. Chemical Formula: The formula KH₂PO₄ indicates that it contains one potassium ion (K⁺), one hydrogen ion (H⁺), one phosphate ion (PO₄³⁻), and two hydrogen atoms.
  2. Physical Properties:
    • KH₂PO₄ is a colorless or white crystalline powder.
    • It is highly soluble in water, which makes it useful in aqueous solutions.

Potassium Ferrocyanide 500gm

Original price was: KSh2,000.00.Current price is: KSh1,500.00.
Potassium ferrocyanide, with the chemical formula K₄[Fe(CN)₆]·3H₂O, is a coordination compound consisting of potassium ions and the ferrocyanide complex ion. It is often used in various industrial and chemical processes. Here are some key aspects and applications of potassium ferrocyanide:

Properties:

  1. Appearance: Yellow crystalline solid.
  2. Solubility: Soluble in water, forming a yellow solution.
  3. Stability: Stable under normal conditions but can decompose when exposed to strong acids, releasing toxic hydrogen cyanide gas.

Potassium Hydrogen Carbonate 500gm

Original price was: KSh1,080.00.Current price is: KSh700.00.

Properties:Potassium hydrogen carbonate, also known as potassium bicarbonate, is a chemical compound with the formula KHCO₃. It is a white, crystalline powder that is slightly alkaline and commonly used in a variety of applications.

 
  • Chemical Formula: KHCO₃
  • Molar Mass: 100.115 g/mol
  • Appearance: White crystalline powder
  • Solubility: Soluble in water, slightly soluble in alcohol
  • Density: 2.17 g/cm³
  • Melting Point: Decomposes before melting

Potassium Hydroxide 25kg

Original price was: KSh13,750.00.Current price is: KSh12,750.00.
Potassium hydroxide is a strong inorganic compound with the chemical formula KOH. It is also known as caustic potash. This compound is a white, odorless solid that is highly soluble in water, producing an alkaline solution. Potassium hydroxide is commonly used in various industrial and laboratory applications, including as a strong base in chemical processes, as an electrolyte in batteries, and in the manufacture of soaps, detergents, and other cleaning agents. It is important to handle potassium hydroxide with care due to its corrosive and caustic nature

Potassium Hydroxide Pellets 500gm

Original price was: KSh465.00.Current price is: KSh400.00.
Potassium Hydroxide Pellets (KOH) are solid, highly caustic compounds often used in various industrial and laboratory applications. These white, odorless pellets are a strong base and are known for their high reactivity with water, forming potassium hydroxide solution and heat in the process. They are commonly used in the production of fertilizers, soaps, and biodiesel, as well as in chemical synthesis and pH regulation. Handle with care, as KOH can cause severe burns and irritation.  

Potassium iodide

Original price was: KSh8,000.00.Current price is: KSh7,800.00.
Potassium iodide (KI) is a chemical compound composed of potassium and iodine.

Potassium Iodide 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Iodide 500grams

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Lactate

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Potassium lactate is a salt formed from potassium and lactic acid. It is commonly used as a food additive, particularly

Potassium Metabisulphite 500gm

Original price was: KSh810.00.Current price is: KSh700.00.
 Potassium metabisulfite is a white, crystalline powder with a characteristic sulfur dioxide-like odor. It is soluble in water and commonly used in various industries for its antioxidant and antimicrobial properties. In food and beverage production, it acts as a preservative to prevent spoilage and oxidation. Additionally, it's used in water treatment and as a disinfectant in various industrial processes.

Potassium Metal 25gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Nitrate 500gm

Original price was: KSh590.00.Current price is: KSh450.00.
Potassium nitrate, also known as saltpeter, is a chemical compound with the molecular formula KNO3. It is a crystalline salt that is commonly used in the production of fertilizers, fireworks, and as a food preservative. Potassium nitrate is composed of potassium ions (K+) and nitrate ions (NO3-), and is typically a white or colorless solid that is soluble in water. Its chemical properties make it useful in a variety of applications, ranging from agriculture and horticulture to the production of gunpowder and rocket fuel.

Potassium Sulphate 500gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Potassium Thiocyanate 500gm

Original price was: KSh3,400.00.Current price is: KSh2,900.00.
Potassium Thiocyanate (KSCN) is a fascinating and versatile compound. It appears as a white crystalline solid that is highly soluble in water. It has the chemical formula KSCN

Potassium-permanganate 500grams

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Potassium permanganate (KMnO₄) is a compound characterized by its deep purple, almost maroon, crystalline appearance. It dissolves readily in water, imparting a vivid purple color to the solution. This chemical is highly reactive and serves primarily as a potent oxidizing agent in various industrial, medical, and environmental applications. In addition to its use in water treatment and disinfection, potassium permanganate finds applications in chemistry labs for titrations and oxidative reactions. It is also utilized in medicine for its antiseptic properties, particularly in treating skin conditions and purifying wounds.

Pyrogallol Crystals 25gm

Original price was: KSh3,500.00.Current price is: KSh3,000.00.

Salicylic Acid Washed 500gm

Original price was: KSh2,900.00.Current price is: KSh2,500.00.
Salicylic acid washes are skincare products designed to exfoliate the skin and treat acne. They typically contain salicylic acid, a beta hydroxy acid (BHA) known for its ability to penetrate deep into pores, effectively removing excess oil and dead skin cells. This helps to prevent acne breakouts and improve overall skin texture. Salicylic acid washes are often used to treat acne-prone and oily skin types, but they can be drying for some individuals, so it's essential to use them as directed and follow up with moisturizer.

Sand Acid Washed 1kg

Original price was: KSh2,500.00.Current price is: KSh2,300.00.

Silica Gel Self Indicator Coarse 500gm

Original price was: KSh1,200.00.Current price is: KSh1,000.00.
Silica gel blue self-indicating is a type of desiccant made from a form of silicon dioxide that appears blue when it is dry and changes color to pink when it becomes saturated with moisture. The self-indicating feature allows the user to easily identify when the silica gel needs to be replaced or recharged. It is commonly used in packaging, electronics, and other industries to prevent moisture damage to products during storage and transportation.

Silicon Dioxide 10kg

Original price was: KSh22,000.00.Current price is: KSh20,240.00.
Silicon dioxide, also known as silica, is a chemical compound composed of one silicon atom bonded to two oxygen atoms (SiO2). It is a naturally abundant mineral found in various forms, such as quartz, sand, and rocks. Silicon dioxide is characterized by its hardness, high melting point, and insulating properties. It is widely used in numerous applications, including electronics, glass production, catalyst support, abrasives, desiccants, and as a filler in various materials.

Silver Chloride 25gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Silver chloride (AgCl), with its characteristic white crystalline appearance, is a chemical compound with a rich history and interesting properties. Here's a breakdown of its key features, applications, and how it behaves in a laboratory setting: Properties:
  • Formula: AgCl
  • Appearance: White crystalline solid
  • Solubility: Very low solubility in water (known as a water-insoluble salt)
  • Light sensitivity: Silver chloride darkens upon exposure to light, due to the conversion of silver ions (Ag⁺) to metallic silver (Ag).

Silver Nitrate 25gm

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Silver nitrate (AgNO₃) is a versatile and important compound with a wide range of applications. Here's a breakdown of its key properties, uses, and laboratory applications: Properties:
  • Formula: AgNO₃
  • Appearance: White crystalline solid
  • Odor: Odorless
  • Solubility: Highly soluble in water
  • Melting point: 212 °C (414 °F)

Sodalime with indicator 500gm

Original price was: KSh1,500.00.Current price is: KSh1,200.00.
Sodalime with an indicator is a substance often used in medical and laboratory settings, primarily for the absorption of carbon dioxide (CO₂) and certain other acidic gases. The indicator in sodalime serves a crucial function by visually signaling when the sodalime has been exhausted and can no longer effectively absorb CO₂. Here’s a detailed look at its components, functionality, and use:

Components of Sodalime

  1. Sodium Hydroxide (NaOH) and Potassium Hydroxide (KOH): These strong bases are the active components that react with CO₂ to form carbonates and water.
  2. Calcium Hydroxide (Ca(OH)₂): This provides a medium in which the reaction takes place and also participates in the CO₂ absorption process.
  3. Water (H₂O): Necessary for the chemical reaction.
  4. Indicator Dye: Changes color based on the pH level, signaling when the sodalime is no longer effective.

Chemical Reaction

The primary reaction for CO₂ absorption can be summarized as: CO2+H2O→H2CO3text{CO}_2 + text{H}_2text{O} rightarrow text{H}_2text{CO}_3CO2​+H2O→H2CO3​ H2CO3+2NaOH→Na2CO3+2H2Otext{H}_2text{CO}_3 + 2text{NaOH} rightarrow text{Na}_2text{CO}_3 + 2text{H}_2text{O}H2CO3​+2NaOH→Na2​CO3​+2H2​O Secondary reactions may involve calcium hydroxide: Na2CO3+Ca(OH)2→2NaOH+CaCO3text{Na}_2text{CO}_3 + text{Ca(OH)}_2 rightarrow 2text{NaOH} + text{CaCO}_3Na2​CO3​+Ca(OH)2​→2NaOH+CaCO3​

Sodium acetate anhydrous 99% 500gms

Original price was: KSh2,500.00.Current price is: KSh2,300.00.
Sodium acetate, with the chemical formula CH3COONa, is a versatile compound commonly used in laboratories for various applications.

Sodium acetate Trihydrate

Original price was: KSh15,000.00.Current price is: KSh14,000.00.

Sodium Benzoate 500gm

Original price was: KSh445.00.Current price is: KSh300.00.
Sodium benzoate is a common food preservative that is the sodium salt of benzoic acid. It is a white, crystalline powder that is soluble in water and has a slightly sweet, astringent taste. Sodium benzoate is often added to processed foods, soft drinks, and other beverages to extend their shelf life and prevent the growth of harmful bacteria, yeast, and mold. It is generally considered safe for consumption in small amounts, but can cause allergic reactions in some people.

Sodium Bromide 500gm

Original price was: KSh2,030.00.Current price is: KSh1,580.00.
Sodium bromide (NaBr) is an inorganic compound with a white crystalline appearance, highly soluble in water, and somewhat similar to sodium chloride (table salt). Here's a breakdown of its key properties, applications, and laboratory uses: Properties:
  • Formula: NaBr
  • Appearance: White crystalline solid
  • Odor: Odorless
  • Solubility: Highly soluble in water
  • Melting point: 801 °C (1474 °F)
  • Boiling point: 1390 °C (2534 °F)

Sodium Carbonate Anhydrous 500gm

Original price was: KSh180.00.Current price is: KSh100.00.
Sodium carbonate soda ash light is a refined form of sodium carbonate, which is a white, crystalline compound with the chemical formula Na2CO3. It is called "light" because it has a lower density compared to other forms of sodium carbonate. Soda ash light is primarily used in industrial and commercial applications, including glass manufacturing, water treatment, detergent production, and as a pH regulator in various chemical processes. It is known for its alkaline properties and its ability to effectively neutralize acidic substances.