Description

Yellow 4 CAS NO 1342-40-1 is a synthetic organic colorant widely recognized for its vibrant yellow hue. This product is essential for providing consistent and stable coloration in a variety of industrial and consumer applications. It is primarily utilized by manufacturers in the food, cosmetic, pharmaceutical, and ink industries seeking reliable and compliant color solutions.

Application

• Food Coloring: Used in beverages, confectionery, baked goods, dairy products, and savory snacks to achieve a bright yellow color.
• Cosmetic & Personal Care: Incorporated into lipsticks, eyeshadows, soaps, shampoos, and other products for color pigmentation.
• Pharmaceuticals: Employed as a colorant in tablet coatings, capsules, and medicinal syrups for product identification and aesthetic appeal.
• Inks & Printing: A key component in the formulation of inks for packaging, textiles, and commercial printing.
• Plastics & Polymers: Used to color a wide range of plastic materials and masterbatches.
• Industrial Coatings & Paints: Provides coloration for various decorative and protective coating systems.

Basic Information

Product Name	Yellow 4 CAS NO 1342-40-1
CAS No.	1342-40-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Tartrazine; FD&C Yellow No. 5; E102; C.I. 19140; Acid Yellow 23; Food Yellow 4; Trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)azo]-1H-pyrazole-3-carboxylate
EINECS	215-724-3

Quality Control

Our Yellow 4 is manufactured under strict quality management systems to ensure it meets the stringent requirements of our global customers. We offer grades compliant with major international standards, including FCC (Food Chemicals Codex) and EU Directive (E102) for food applications, as well as cosmetic and pharmaceutical-grade specifications. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing purity, heavy metal content, and other critical parameters.

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 and shelf life.

Specification

Item	Specification
Identification (IR)	Conforms
Assay (HPLC)	Min. 85%
Color Strength	100 ± 5%
Loss on Drying	Max. 15%
Water Insoluble Matter	Max. 0.2%
Subsidiary Colors	Max. 4%
Heavy Metals (as Pb)	Max. 10 ppm
Arsenic (As)	Max. 3 ppm
Lead (Pb)	Max. 10 ppm

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