Description

C.I. Acid Brown 322 is a synthetic acid dye belonging to the azo chemical class, widely recognized for its durable brown hue. This high-performance dye is valued for its excellent color fastness, strong affinity to substrates, and consistent batch-to-batch quality, making it a reliable choice for industrial applications. It is primarily used by manufacturers in the textile, leather, and paper industries seeking robust and vibrant coloration.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers, providing excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, offering deep, uniform penetration and good rub fastness.
• Paper Staining: Employed in the production of colored papers, specialty packaging, and decorative materials.
• Ink Formulation: A component in the manufacture of inks for various marking and printing applications.
• Wood Staining: Suitable for imparting a brown color tone to wood and wood-based products.
• Biological Staining (Research Grade): Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	C.I. Acid Brown 322
CAS No.	61931-11-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Acid Brown 322; C.I. 20195; Acid Leather Brown 2GL; Acid Fast Brown BRL; Nylosan Brown N-3GL; Telon Brown K-3GL; Amichrome Brown GL; Dermacid Brown 2GL
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Brown 322 adheres to stringent quality management protocols to ensure product consistency and performance. Every batch is tested against established specifications for color strength, shade, solubility, and impurity profiles. A Certificate of Analysis (COA) documenting these results is provided with each shipment to guarantee compliance with your technical requirements.

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.

Specification

Item	Specification
Appearance	Brown powder or granules
Identification	Conforms (IR / TLC)
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
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.