Description

Disperse Brown 1 is a synthetic organic dye belonging to the disperse dye class, widely recognized for its application in hydrophobic fibers. This product is valued for its ability to provide consistent, deep brown coloration with good fastness properties. It is primarily used by manufacturers in the textile industry for dyeing polyester and acetate fabrics, as well as in the coloration of plastics.

Application

• Primary dyeing of polyester fibers and fabrics.
• Coloration of acetate and triacetate textiles.
• Mass pigmentation of plastics such as polystyrene and polycarbonate.
• Dyeing of nylon fibers for specific applications.
• Production of colored synthetic leather and non-woven materials.
• Ink formulation for specialized transfer printing processes.

Basic Information

Product Name	Disperse Brown 1
CAS No.	12236-00-9
Molecular Formula	C18H14N4O4
Molecular Weight	350.33 g/mol
Synonyms	Disperse Brown 1; C.I. 11152; 1,4-Diamino-2,3-dihydroanthraquinone; Disperse Brown GR; Samaron Brown HRSL; Foron Brown S-2RFL; Palanil Brown 3REL; Dianix Brown S-2R; Artisil Brown S-2R; Terasil Brown 2R-L
EINECS	235-428-8

Quality Control

Our Disperse Brown 1 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise color strength, shade, and dispersion stability specifications. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every shipment to guarantee batch-to-batch consistency for your production processes.

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	Brown Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Dispersion Stability	Pass Test
Particle Size	> 95% passes 80 mesh

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