Description

Disperse Yellow 9 is a synthetic organic dye belonging to the disperse dye class, identified by CAS NO 6373-73-5. It is valued for its bright, stable yellow hue and excellent sublimation fastness, making it a critical component for achieving vibrant and durable coloration. This product is primarily needed by manufacturers in the textile and plastics industries for dyeing synthetic fibers such as polyester, acetate, and nylon.

Application

• Primary dyeing of polyester fibers and fabrics.
• Coloration of cellulose acetate and triacetate textiles.
• Dyeing of nylon and other synthetic fibers.
• Mass coloration of plastics, particularly for polyester-based resins.
• Transfer printing applications for synthetic fabrics.
• Production of colored films and sheets.
• As a colorant for specialty inks and coatings.

Basic Information

Product Name	Disperse Yellow 9
CAS No.	6373-73-5
Molecular Formula	C12H9N3O4
Molecular Weight	259.22 g/mol
Synonyms	Disperse Yellow G; C.I. 10375; 1,5-Dihydroxy-4,8-dinitroanthraquinone; 4,8-Dinitro-1,5-dihydroxyanthraquinone; Celliton Yellow G; Artisil Yellow G; Samaron Yellow G; Foron Yellow SE-FL
EINECS	228-922-5

Quality Control

Our Disperse Yellow 9 is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including color strength, shade, particle size distribution, and fastness properties. A Certificate of Analysis (COA) detailing purity, physical properties, and performance specifications is provided with every shipment.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Yellow to orange powder
Color Strength	100 ± 3% (vs. Standard)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Particle Size	> 95% passes 80 mesh
Dispersion Stability	Good
Identification (IR)	Conforms to standard

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