Description

Acid Brown 432 is a synthetic acid dye belonging to the azo dye class, widely recognized for its excellent coloring properties and good fastness characteristics. This product is engineered to deliver consistent, vibrant brown shades with superior leveling and migration properties on protein-based substrates. It is a critical component for manufacturers in the textile and leather industries seeking reliable and cost-effective dyeing solutions. The compound is supplied as a high-purity powder to ensure optimal performance in demanding industrial applications.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers to achieve durable brown hues.
• Leather Finishing: Used in the coloring of leather goods, providing even penetration and good light fastness.
• Paper Staining: Employed for tinting specialty papers and paper products where color consistency is required.
• Ink Formulation: A colorant component in the manufacture of certain inks for industrial marking or packaging.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Acid Brown 432
CAS No.	119509-50-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Acid Brown G; C.I. Acid Brown 432; Brown 432; Acid Leather Brown 432; DyStar Acid Brown 432; Azo Brown 432; Telon Brown G; Acid Dye Brown 432
EINECS	Contact for details

Quality Control

Our Acid Brown 432 is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including purity assay, shade strength evaluation, and solubility checks, to meet defined industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee product integrity and support your quality assurance protocols.

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 the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Brown Powder
Identification (IR)	Conforms
Assay (Dye Content)	≥ 95%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade Strength	100 ± 3% (vs. Standard)
Solubility in Water	Conforms

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