Description

Vat Brown 5, Solubilised is a specialized, water-solubilized form of the Vat Brown 5 dye, designed for enhanced application convenience and performance. This product is critical for achieving deep, durable brown shades with excellent fastness properties, including superior light and wash fastness. It is primarily needed by the textile industry for dyeing and printing natural fibers like cotton, as well as for niche applications in leather and paper coloration where high-quality, consistent color is required.

Application

• Textile Dyeing: Primary application for dyeing cellulosic fibers such as cotton, linen, and viscose to achieve fast brown shades.
• Textile Printing: Used in printing pastes for creating patterned fabrics with excellent color definition and durability.
• Leather Coloration: Employed in dyeing leather goods where deep, uniform brown colors with good rub fastness are desired.
• Paper Staining: Suitable for specialty paper products requiring colored, fade-resistant finishes.
• Industrial Applications: Potential use in the coloration of other natural materials and substrates where vat dye properties are beneficial.

Basic Information

Product Name	Vat Brown 5, Solubilised
CAS No.	4425-36-9
Molecular Formula	C42H20N2O6
Molecular Weight	648.62 g/mol
Synonyms	Vat Brown 5; C.I. Vat Brown 5; C.I. 73410; Solubilised Vat Brown 5; Vat Brown BR; Cibanone Brown BR; Caledon Brown BR; Indanthren Brown BR; Durindone Brown BR; Anthra Brown BR
EINECS	Contact for details

Quality Control

Our Vat Brown 5, Solubilised is manufactured under a rigorous quality management system. Each batch is tested to ensure consistent strength, shade, solubility, and fastness properties critical for textile applications. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance and production 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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Brown powder or paste
Identification (IR)	Conforms to standard
Strength (Color Value)	Standard depth ± 5%
Solubility (in Water)	Clear solution at specified concentration
Shade	Conforms to standard pattern
Moisture Content	≤ 5.0%
Fastness Properties (Light, Wash)	Meets commercial requirements

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