Description

Acid Brown 324 is a synthetic acid dye belonging to the azo dye class, known for its excellent affinity for protein fibers like wool, silk, and nylon. This dye is valued for its ability to produce rich, durable brown shades with good leveling properties and fastness characteristics. It is primarily utilized in the textile industry for dyeing and printing, as well as in the coloration of leather and paper products where consistent, high-quality color is required.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers to achieve various shades of brown.
• Leather Processing: Used in the dyeing of leather goods, providing uniform and fast coloration.
• Paper Coloration: Employed in specialty paper manufacturing for tinting and decorative purposes.
• Ink Formulation: A component in the production of inks for specific printing applications.
• Biomaterial Staining: Potential use in laboratory settings for histological staining of protein-based biological samples.

Basic Information

Product Name	Acid Brown 324
CAS No.	61901-27-7
Molecular Formula	C32H24N8Na4O16S4
Molecular Weight	1048.86 g/mol
Synonyms	Acid Brown 324; C.I. Acid Brown 324; Acid Leather Brown 2GL; Acidol Brown M-BL; Amido Brown M-BL; Dermacid Brown 2GL; Lanaperl Brown 2GL; Supranol Brown 2GL; Telon Brown 2GL; Acid Brown GL
EINECS	Contact for details

Quality Control

Our Acid Brown 324 is manufactured under a strict quality management system. Each batch is tested to ensure it meets consistent specifications for color strength, shade, solubility, and impurity profiles. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every shipment to guarantee reliable and reproducible results for your 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.

Specification

Item	Specification
Appearance	Brown powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to standard
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.