Description

Tartrazine is a synthetic lemon yellow azo dye widely recognized for its vibrant hue and excellent stability. Its primary value lies in providing consistent, cost-effective coloration for a diverse range of consumer products. This dye is essential for manufacturers in the food and beverage, pharmaceutical, cosmetic, and industrial sectors seeking reliable and compliant colorants.

Application

• Food & Beverage Coloring: Used in candies, soft drinks, instant desserts, sauces, and snack foods to achieve a bright yellow color.
• Pharmaceutical Coatings & Formulations: Employed in tablet coatings, capsules, and syrups for product identification and aesthetic appeal.
• Cosmetic & Personal Care Products: A key colorant in soaps, shampoos, bath products, and other cosmetics.
• Industrial Applications: Used in the coloration of paper, textiles, leather, and inks.
• Household Products: Found in detergents and cleaning agents to enhance visual presentation.

Basic Information

Product Name	Tartrazine
CAS No.	1934-21-0
Molecular Formula	C16H9N4Na3O9S2
Molecular Weight	534.36 g/mol
Synonyms	FD&C Yellow 5; CI 19140; Acid Yellow 23; Trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-((4-sulfonatophenyl)azo)-1H-pyrazole-3-carboxylate; E102; Food Yellow 4; L-Gulonic acid, γ-lactone; Tartarazine
EINECS	217-699-5

Quality Control

Our Tartrazine is manufactured under strict quality systems to ensure it meets the stringent requirements of global markets. We offer grades compliant with major pharmacopoeial standards (USP-NF, EP, BP, JP) and food regulations (FCC, EU Directive 94/36/EC). Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, heavy metal limits, and other critical parameters, ensuring traceability and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and moisture to maintain product integrity.

Specification

Item	Specification
Description	Yellow to orange-yellow powder or granules
Identification (IR)	Conforms
Assay (HPLC)	≥ 85.0% (as-is basis)
Color Strength	95 - 105% of standard
Loss on Drying	≤ 15.0 %
Water-insoluble Matter	≤ 0.2 %
Subsidiary Colors	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 10 ppm
Mercury (Hg)	≤ 1 ppm
Cadmium (Cd)	≤ 1 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.