Description

Acid Yellow 54 is a synthetic organic dye belonging to the azo dye class, known for its bright, vivid yellow color. It is valued for its strong color strength, good lightfastness, and excellent solubility in aqueous systems, making it a reliable and efficient coloring agent. This dye is primarily used by manufacturers in the textile, leather, and paper industries for dyeing and printing applications where a stable yellow hue is required.

Application

• Textile Dyeing: Used for dyeing natural and synthetic fibers, including wool, silk, and nylon, to achieve a bright yellow shade.
• Leather Finishing: Applied in the coloring of leather goods such as footwear, bags, and upholstery.
• Paper Coloring: Employed in the production of colored papers, tissues, and specialty packaging.
• Ink Formulation: A key component in the manufacture of inks for writing, printing, and marking.
• Biological Staining: Utilized in laboratory settings as a histological stain for microscopic analysis.
• Industrial Coatings: Incorporated into coatings and paints where specific color properties are needed.

Basic Information

Product Name	Acid Yellow 54
CAS No.	10127-05-6
Molecular Formula	C16H13N4NaO4S
Molecular Weight	380.35 g/mol
Synonyms	Acid Yellow 54; C.I. 19010; Food Yellow 3; Tartrazine (industrial grade); Trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)azo]-1H-pyrazole-3-carboxylate; FD&C Yellow 5 (industrial analog); E102 (industrial grade); L-Gulonic acid, 2,5-dihydro-5-oxo-4-[(4-sulfophenyl)azo]-1-phenyl-1H-pyrazole-3-carboxylic acid, trisodium salt
EINECS	233-356-2

Quality Control

Our Acid Yellow 54 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous specifications for color strength, purity, and impurity profiles. Certificates of Analysis (COA) documenting key parameters such as assay, heavy metal content, and solubility are available for every shipment to support your quality assurance protocols.

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 strong oxidizing agents. The product is light-sensitive; prolonged exposure to direct light should be avoided to maintain color stability.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85%
Color Strength	95 - 105% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Clear solution at 1%
Ash Content	≤ 30%
Heavy Metals (as Pb)	≤ 20 ppm

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