Description

Disperse Black 9 is a high-performance synthetic organic dye belonging to the disperse dye class, widely recognized for its deep, rich black shade. Its primary value lies in its excellent sublimation fastness and strong affinity for synthetic hydrophobic fibers, ensuring vibrant and durable coloration. This product is essential for manufacturers in the textile industry, particularly for dyeing and printing polyester, polyester blends, and acetate fibers.

Application

• Primary dyeing of polyester fabrics and yarns.
• Printing applications on polyester textiles.
• Coloration of polyester blends (e.g., polyester/cotton, polyester/wool).
• Dyeing of secondary acetate and triacetate fibers.
• Used in the production of automotive textiles requiring colorfastness.
• Applicable in the coloration of home furnishing fabrics (e.g., curtains, upholstery).
• Potential use in the mass coloration of synthetic polymers.

Basic Information

Product Name	Disperse Black 9
CAS No.	12222-69-4
Molecular Formula	C22H18N4O5
Molecular Weight	418.40 g/mol
Synonyms	Disperse Black 9; C.I. 11255; Disperse Black B; Disperse Black E-B; Acetate Black B; Polyester Black B; 1,4-Diamino-2-methoxy-9,10-anthraquinone; 9,10-Anthracenedione, 1,4-diamino-2-methoxy-
EINECS	235-428-6

Quality Control

Our Disperse Black 9 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against stringent internal specifications for key parameters including shade, strength, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and fastness characteristics is provided with every shipment to guarantee it meets the demands of industrial textile processing.

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; prolonged exposure to direct light should be avoided to maintain color integrity.

Specification

Item	Specification
Appearance	Black to dark brown powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Dispersion Stability	Passes test
Particle Size	> 95% passes through 80 mesh
pH (Aqueous Dispersion)	5.0 - 8.0

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