Description

C.I.Direct Brown 200 is a high-performance direct dye belonging to the azo chemical class, valued for its excellent substantivity to cellulosic fibers. This product is essential for achieving consistent, deep brown shades with good wash and light fastness properties in demanding industrial dyeing processes. It is primarily used by manufacturers in the textile, leather, and paper industries seeking reliable and cost-effective coloring solutions.

Application

• Primary dyeing of cotton, viscose, and other cellulosic fibers in exhaust and continuous processes.
• Coloration of leather and paper products where deep, uniform brown shades are required.
• Used in the production of colored paper pulp for specialty packaging and decorative papers.
• Application in the batch dyeing of yarns and fabrics for apparel and home textiles.
• Suitable for tinting and shading in combination with other direct dyes.
• Employed in educational and research institutions for dye chemistry studies and colorant development.

Basic Information

Product Name	C.I. Direct Brown 200
CAS No.	12222-26-3
Molecular Formula	C45H26N13Na5O19S5
Molecular Weight	1371.06 g/mol
Synonyms	Direct Brown 200; C.I. 35755; Direct Brown M; Direct Brown 2R; Direct Brown 200 (C.I.); Direct Fast Brown 200; Direct Brown 200 (VAN); Benzo Brown 200; Direct Brown 200 (VAN) (8CI)
EINECS	Contact for details

Quality Control

Our production of C.I. Direct Brown 200 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 to dark brown powder
Identification (IR)	Conforms to standard
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Within agreed tolerance
Solubility in Water	Conforms
Fastness Properties	To be specified per grade

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