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Tartrazine yellow Extra Pure
$ 16.20
Tartrazine Yellow Extra Pure is a high-purity, water-soluble synthetic azo dye used extensively in laboratory, pharmaceutical, and regulated food and cosmetic applications. It provides a vivid yellow color with a characteristic absorption around 427 nm, making it ideal for use in analytical procedures such as spectrophotometry and dye behavior research. Its Extra Pure grade ensures low impurity content and consistent performance for research and testing. Due to its sensitization potential and ecological persistence, controlled handling and proper disposal are advised.
Tartrazine yellow Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications
- Used as a spectrophotometric and colorimetric standard in analytical chemistry and quality control assays
- Employed in calibration of UV-Vis spectrophotometers due to its consistent absorbance properties
- Applied in studies involving dye-sorption, degradation, and removal in environmental and chemical engineering research
- Serves as a model compound in research on azo dye behavior in aqueous systems
- Biochemical & Microbiology Research
- Occasionally used in staining protocols and in microbial identification to assess uptake and reaction with azo compounds
- Helps in toxicological evaluations and metabolic studies of azo dyes in biological systems
SECONDARY USES
- Food Industry (in regulated quantities)
- Widely used as a synthetic food colorant (E102) to impart bright yellow hue to beverages, candies, baked goods, and sauces
- Applied in processed snacks, custards, soft drinks, and gelatin desserts
- Subject to regulatory limitations in certain countries due to sensitivity or allergenic potential in some individuals
- Pharmaceutical Industry
- Used as a coloring agent in tablets, capsules, and syrups to improve product appeal and identification
- Common in multivitamin preparations and antacids
- Cosmetic and Personal Care Industry
- Utilized in products such as shampoos, bath gels, lotions, and makeup for vibrant yellow color
- May be found in toothpastes and liquid soaps
1. Basic Identification Attributes
- Chemical Name: Tartrazine
- CAS Number: 1934-21-0
- HS Code: 3204.12.00
- Molecular Formula: C₁₆H₉N₄Na₃O₉S₂
- Synonyms: FD&C Yellow No. 5, Acid Yellow 23, E102, C.I. 19140
2. Physical & Chemical Properties
- Physical State: Powder
- Color & Odor: Bright yellow to orange-yellow, odorless
- Solubility: Very soluble in water; insoluble in ethanol and most organic solvents
- Stability: Stable under normal temperature; sensitive to strong oxidizing and reducing agents
- pH Stability: Stable in acidic to neutral pH; may degrade under strong alkaline conditions
- UV-Vis Absorbance Max: ~427 nm in aqueous solution
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification): Eye irritation (Category 2B), Skin sensitization (Category 1)
- NFPA Ratings: Health 1, Flammability 0, Reactivity 0
- Exposure Limits: No established OSHA PEL or ACGIH TLV
- Reactivity: Reacts with strong oxidizing agents; avoid mixing with incompatible chemicals
4. Storage & Handling Attributes
- Storage Conditions: Store in a tightly closed container in a cool, dry, and dark place
- Incompatible Materials: Strong oxidizers, reducing agents
- Container Type: Polyethylene, amber glass, or other light-resistant containers
- Shelf Life & Expiration Date: Typically stable for 2–3 years when stored properly
- Special Handling Requirements: Use in well-ventilated areas; avoid generating dust; wear PPE
5. Regulatory & Compliance Attributes
- Regulatory Status: Approved as food colorant (E102) in many regions, with usage limits; banned or restricted in some countries
- Listed in: FDA, EU, JECFA, and Codex Alimentarius for food use
- Transportation Restrictions: Not classified as hazardous for transport
- Waste Disposal Method: Dispose according to local environmental and chemical waste regulations
6. Environmental & Health Impact
- Ecotoxicity: Potential aquatic pollutant; high concentrations may impact aquatic organisms
- Persistence in Environment: Moderately persistent; azo bond may resist biodegradation
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic by IARC; may cause hypersensitivity in susceptible individuals
- Biodegradability: Limited biodegradability under normal conditions; advanced treatment needed for full breakdown
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear protective gloves (e.g., nitrile)
- Use chemical splash goggles
- Wear a lab coat or apron
- Use a dust mask or respirator in case of airborne particles
Handling:
- Handle in a well-ventilated area
- Avoid dust generation and contact with skin or eyes
- Do not ingest or inhale
- Wash hands after use
Storage:
- Store in a cool, dry place in a tightly sealed container
- Protect from light and incompatible materials
- Avoid exposure to moisture
FIRST AID MEASURES
Inhalation:
- Move to fresh air
- Seek medical attention if symptoms develop
Skin Contact:
- Wash affected area with soap and water
- Remove contaminated clothing
- Seek medical advice if irritation develops
Eye Contact:
- Rinse immediately with plenty of water for 15 minutes
- Seek medical attention if irritation persists
Ingestion:
- Rinse mouth with water
- Do not induce vomiting unless instructed
- Seek medical attention if symptoms appear
FIRE FIGHTING MEASURES
Flammability:
- Not flammable
Extinguishing Media:
- Use water spray, dry chemical, CO₂, or foam
Hazardous Combustion Products:
- May emit nitrogen oxides, sulfur oxides, and carbon oxides upon combustion
Firefighter Protection:
- Wear full protective clothing and self-contained breathing apparatus (SCBA)
- Avoid inhalation of combustion fumes
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Magnesium Carbonate Extra Pure
Magnesium Carbonate Extra Pure is a high-purity, white powder valued for its excellent absorbent and antacid qualities. It is commonly used in pharmaceuticals as a magnesium supplement or antacid, and in food applications as a drying agent, anti-caking agent, or acidity regulator. In the cosmetics and personal care industry, it functions as a filler and a bulking agent in powders and creams. It is also employed in laboratory settings for analytical applications due to its consistent chemical composition. Its high absorbency and stability make it useful in rubber, ceramics, and sports grip products as well.
Magnesium Carbonate Heavy Extra Pure
Magnesium Carbonate Heavy Extra Pure is a denser, high-purity grade of magnesium carbonate known for its exceptional stability, low solubility in water, and high absorbent capacity. It is widely used in pharmaceutical formulations as an antacid and magnesium supplement, and in food processing as an anti-caking agent and food additive. Its heavier bulk density makes it ideal for industrial uses such as in rubber and plastic manufacturing, where it serves as a reinforcing filler. In cosmetics, it contributes to moisture control in powders and skin care products. It is also valued in laboratories for analytical applications where precision and consistency are essential.
Magnesium Oxide Heavy Extra Pure
Magnesium Oxide Heavy Extra Pure is a high-purity, dense white powder prized for its excellent thermal stability, high melting point, and chemical inertness. It is widely used in laboratory applications as a standard reagent, pH adjuster, and desiccant. In pharmaceuticals, it functions as an antacid and a magnesium supplement, while in industrial processes, it is essential for producing refractory materials, ceramics, and insulating products due to its high heat resistance. The "heavy" form refers to its higher bulk density, making it particularly useful in applications where volume constraints are critical. Its extra pure grade ensures it meets the stringent demands of high-precision research and formulation work.
Magnesium Oxide Light Powder Extra Pure
Magnesium Oxide Light Powder Extra Pure is a fine, white, odorless powder with a lower bulk density compared to the heavy grade, offering high surface area and excellent reactivity. It is widely used in analytical laboratories, pharmaceuticals, and cosmetics due to its purity and gentle chemical behavior. In pharmaceutical formulations, it acts as an antacid and magnesium supplement, while in cosmetics, it is used for its absorbent and pH-adjusting properties. Its light, fluffy texture also makes it ideal for use in rubber, plastics, and coatings as a filler, stabilizer, or neutralizing agent. The extra pure grade ensures consistent quality for precise and sensitive applications.
Maltose Extra Pure
Maltose Extra Pure is a disaccharide composed of two glucose units, commonly known as malt sugar. This extra pure grade ensures exceptional quality and consistency, making it ideal for use in biochemical research, fermentation studies, and laboratory analysis. In the food industry, maltose is valued for its mild sweetness and is often used in brewing, baking, and confectionery to promote fermentation and enhance flavor. It also plays a role in energy metabolism studies and is frequently used as a carbon source in microbiological media. Its stability and solubility in water make it easy to incorporate into various formulations, offering a dependable ingredient for scientific and industrial use where high purity is essential.
Manganese Dioxide Extra Pure
Manganese Dioxide Extra Pure is a high-purity, dark brown or black powder widely used in laboratories and industrial processes for its strong oxidizing properties. In analytical chemistry, it serves as an effective oxidizing agent and is often involved in the decomposition of hydrogen peroxide and other redox reactions. It is also used in the preparation of oxygen and chlorine gases in laboratory settings. Beyond the lab, manganese dioxide plays a crucial role in battery manufacturing, particularly in dry cell batteries, and in ceramics and glass production for coloring and decolorizing. Its consistent purity makes it ideal for sensitive experiments and formulations.
Methoxy Benzophenone Sulfonic Acid Extra Pure
Methoxy Benzophenone Sulfonic Acid Extra Pure is a high-purity, water-soluble organic compound primarily used as a UV filter in cosmetic and pharmaceutical formulations. This compound is valued for its ability to absorb harmful ultraviolet radiation, particularly in the UVB range, making it a key ingredient in sunscreens, lotions, and other personal care products requiring photo-stability. In laboratory settings, it is employed in research involving photochemistry and polymer stabilization. Its sulfonic acid group enhances water solubility, while the methoxy and benzophenone components provide strong UV-absorbing characteristics, ensuring effective and consistent performance in formulations demanding high safety and efficacy standards.
