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Disperse Black 9 CAS NO 20721-50-0


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CAS No.:20721-50-0

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Disperse Black 9 is a high-performance, synthetic organic dye belonging to the disperse dye class, widely recognized for its deep black shade and excellent fastness properties. Its primary value lies in its ability to effectively color synthetic fibers, particularly polyester and its blends, with strong color yield and durability. This product is essential for manufacturers in the textile and plastics industries seeking consistent, high-quality coloration for a range of synthetic materials.

Application

  • Textile Dyeing: Primary application for dyeing polyester fibers, yarns, and fabrics to achieve a deep, uniform black color.
  • Plastics Coloring: Used as a colorant for synthetic polymers, including polyesters and certain plastics, to impart a stable black hue.
  • Automotive Interiors: Suitable for coloring polyester-based textiles used in car seats, headliners, and interior trim.
  • Sportswear and Activewear: Ideal for synthetic performance fabrics requiring colorfastness to washing and light.
  • Home Furnishings: Employed in dyeing curtains, upholstery, and other decorative polyester textiles.
  • Industrial Fabrics: Used for coloring technical textiles, including flags, banners, and awning materials.

Basic Information

Product Name Disperse Black 9
CAS No. 20721-50-0
Molecular Formula C20H21N5O6
Molecular Weight 427.41 g/mol
Synonyms Disperse Black 9; C.I. 11110; Disperse Black B; Disperse Black E-B; 1,4-Benzenediamine, N-(2,4-dinitrophenyl)-N-methyl-; 1,4-Diamino-N-(2,4-dinitrophenyl)-N-methylbenzene; Acetamine Black E-B; Amacel Black E-B
EINECS Contact for details

Quality Control

Our Disperse Black 9 is manufactured under strict quality control protocols to ensure batch-to-batch consistency and meets the high standards required for industrial dyeing applications. Quality is verified through comprehensive testing, including strength, shade, and dispersion stability analysis. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics 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 container must be kept tightly sealed to protect the product from moisture.

Specification

Item Specification
Appearance Black to dark brown powder
Identification (IR) Conforms
Assay (HPLC) ≥ 95.0%
Moisture Content ≤ 5.0%
Ash Content ≤ 1.0%
Dispersion Stability Passes test
Shade on Polyester Standard Black

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

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