Description

Acid Yellow 76 (C.I. 18850) is a synthetic anionic dye belonging to the azo chemical class, widely recognized for its bright, greenish-yellow hue and good lightfastness. This product matters to industrial buyers for its reliable performance and cost-effectiveness in providing consistent, vibrant coloration. It is primarily needed by manufacturers in the textile, leather, and paper industries for dyeing and printing applications, where color uniformity and durability are critical.

Application

• Primary dyeing of nylon and wool textiles.
• Printing inks for specialty papers and packaging materials.
• Coloration of leather goods, including footwear and upholstery.
• Manufacturing of colored paper products such as tissues and decorative papers.
• As a colorant for inks in the stationery and marking industries.
• Potential use in the coloration of soaps and detergents (subject to regional regulatory approval).

Basic Information

Product Name	Acid Yellow 76
CAS No.	6359-88-2
Molecular Formula	C26H19N4NaO7S2
Molecular Weight	586.57 g/mol
Synonyms	C.I. Acid Yellow 76; C.I. 18850; Acid Fast Yellow E; Acid Leather Yellow E; Acid Yellow E; Acid Yellow 2G; Lissamine Yellow 2G; Acid Yellow 2GE; 2-Naphthalenesulfonic acid, 6-(benzoylamino)-4-hydroxy-3-[(4-sulfophenyl)azo]-, monosodium salt
EINECS	228-789-7

Quality Control

Our Acid Yellow 76 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise color strength, shade, and purity specifications. A Certificate of Analysis (COA) detailing parameters such as assay, solubility, and impurity profile is provided with each shipment to guarantee consistency and compliance with your application requirements.

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. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 50 ppm

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