Description

C.I. Disperse Yellow 63 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its vibrant yellow hue. It is a critical component for coloring synthetic fibers, offering excellent colorfastness and dispersion properties essential for industrial textile processing. This dye is primarily utilized by manufacturers in the textile and polymer industries for dyeing polyester, nylon, and acetate fibers, as well as in the coloration of plastics.

Application

• Primary dyeing of polyester fibers and fabrics.
• Dyeing of nylon and acetate textiles.
• Mass coloration of plastics, including polyesters and polyamides.
• Printing inks for synthetic materials.
• Specialized applications in non-woven fabrics.
• Industrial applications requiring a stable, lightfast yellow pigment.

Basic Information

Product Name	C.I. Disperse Yellow 63
CAS No.	12236-31-6
Molecular Formula	C18H14N4O4
Molecular Weight	350.33 g/mol
Synonyms	Disperse Yellow 63; Disperse Yellow 3G; C.I. 11125; 1,5-Dihydroxy-4,8-diaminoanthraquinone; 1,5-Dihydroxy-4,8-diamino-9,10-anthracenedione; Solvent Yellow 163; Foron Yellow SE-3G; Samaron Yellow 3GL
EINECS	235-428-9

Quality Control

Our C.I. Disperse Yellow 63 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for critical parameters such as color strength, shade, dispersion stability, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical 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 strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Shade	Within agreed tolerance
Dispersion Stability	Passes test
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Particle Size	> 95% passes 80 mesh

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