Description

Disperse Brown 2 is a synthetic organic dye belonging to the disperse dye class, widely used for its excellent coloring properties on synthetic fibers. This product is valued for its ability to provide consistent, vibrant brown shades with good fastness properties, which is critical for maintaining quality in textile manufacturing. It is primarily needed by the textile industry for dyeing and printing polyester, acetate, and nylon fibers, as well as by specialty chemical formulators for creating custom color blends.

Application

• Primary dyeing of polyester fabrics and yarns.
• Printing applications on polyester and acetate textiles.
• Dyeing of nylon fibers for apparel and home furnishings.
• Coloration of plastic materials, particularly certain types of engineering plastics.
• Manufacture of inks for specialized printing processes.
• Production of colored masterbatches for synthetic polymers.
• Research and development in dye chemistry and material science.

Basic Information

Product Name	Disperse Brown 2
CAS No.	51848-29-4
Molecular Formula	C18H14N4O4
Molecular Weight	350.33 g/mol
Synonyms	Disperse Brown 2; C.I. 11150; Disperse Brown S-2R; Brown 2R; 1,4-Diamino-2,3-dicyanoanthraquinone; 2,3-Dicyano-1,4-diaminoanthraquinone; Anthraquinone, 1,4-diamino-2,3-dicyano-; Samaron Brown HRSL
EINECS	257-477-9

Quality Control

Our Disperse Brown 2 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. The product undergoes comprehensive testing, including spectrophotometric analysis for strength and shade, assessment of dispersion stability, and evaluation of key fastness properties. A detailed Certificate of Analysis (COA) confirming conformity to agreed specifications is provided with each 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 product is light-sensitive and should be stored away from direct light exposure to prevent degradation.

Specification

Item	Specification
Appearance	Brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Dispersion Stability	Passes test
Particle Size	≤ 5.0 μm (Typical)

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