Description

Disperse Yellow 79 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant yellow hue. It is valued for its excellent color fastness, thermal stability, and dispersion properties, making it a critical component in modern synthetic fiber coloration. This product is essential for manufacturers in the textile and polymer industries seeking consistent, high-quality coloration for hydrophobic materials. Its reliable performance supports the production of durable and colorfast consumer and industrial goods.

Application

Disperse Yellow 79 is primarily used for dyeing and printing synthetic fibers where it delivers strong, wash-fast colors. Its key applications include:

• Textile Dyeing: Primary application for dyeing polyester (PET), acetate, and nylon fibers, especially in high-temperature dyeing processes.
• Textile Printing: Used in printing inks for synthetic fabrics to create sharp, durable patterns.
• Plastics Coloring: Employed as a colorant for mass coloration of plastics like polystyrene, ABS, and polycarbonate.
• Ink Manufacturing: A pigment source for specialty inks used in transfer printing and other industrial marking applications.
• Automotive Interiors: Coloring synthetic fabrics and plastics used in vehicle upholstery and trim due to its light and heat stability.

Basic Information

Product Name	Disperse Yellow 79
CAS No.	12236-36-1
Molecular Formula	C18H14Cl2N6O2
Molecular Weight	425.25 g/mol
Synonyms	Disperse Yellow 79; C.I. Disperse Yellow 79; 1,5-Dichloro-4,8-dihydroxy-9,10-anthracenedione bis(ethylamine) derivative; Acetate Fast Yellow F3R; Artisil Yellow 3GL; C.I. 11345; Foron Yellow SE-3GL; Intrasil Yellow 3GL; Kayalon Polyester Yellow 3GL-S; Palanil Yellow 3G; Resolin Yellow 3GL; Samaron Yellow H3GL; Terasil Yellow 3GL
EINECS	235-428-6

Quality Control

Our Disperse Yellow 79 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Quality is verified through comprehensive testing including strength (tinctorial value), shade, dispersion stability, and particle size distribution. Certificates of Analysis (COA) detailing purity, physical properties, and performance characteristics are available upon request for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to standard
Strength (Tinctorial Value)	100% ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Particle Size (≤2μm)	≥ 80%
Dispersion Stability	Stable
pH (Aqueous Slurry)	6.0 - 8.0

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