Description

Acid Brown 452 is a high-performance acid dye belonging to the azo chemical class, valued for its excellent color fastness and dyeing properties. This compound is essential for achieving consistent, durable brown shades on protein fibers like wool, silk, and nylon. It is a critical raw material for manufacturers in the textile, leather, and specialty paper industries seeking reliable and vibrant coloration.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers to achieve a range of brown hues with good wash and light fastness.
• Leather Finishing: Used in the coloration of leather goods, providing rich, uniform brown tones for footwear, apparel, and upholstery.
• Paper Staining: Employed in the production of specialty and decorative papers where specific, consistent brown coloration is required.
• Ink Formulation: Serves as a colorant component in the manufacture of certain inks for industrial or specialty printing applications.
• Biomaterial Staining: Potential use in laboratory and histological settings for staining biological materials, depending on purity grade.

Basic Information

Item	Detail
Product Name	Acid Brown 452
CAS No.	152521-14-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Acid Brown 452; C.I. Acid Brown 452; Acid Leather Brown 452; Brown 452; Acid Dye Brown 452; Azo Brown 452; Acid Fast Brown 452; DyStar Acid Brown 452
EINECS	Contact for details

Quality Control

Our Acid Brown 452 is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise color strength, purity, and solubility specifications. Certificates of Analysis (COA) documenting key parameters are available upon request to 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 away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Brown powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Ash Content	Max. 1.0%
Heavy Metals (as Pb)	Max. 20 ppm

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