Description

Reactive Violet 5 is a synthetic anthraquinone-based dye belonging to the reactive dye class, widely recognized for its vibrant violet color and excellent wash-fastness properties. Its primary value lies in its ability to form covalent bonds with cellulosic fibers like cotton, ensuring permanent coloration that resists fading. This dye is essential for manufacturers in the textile industry seeking to produce high-quality, colorfast fabrics and garments. It is also utilized in specialized applications for coloring paper and leather.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, and other cellulosic fibers to achieve a brilliant violet shade with superior wash and light fastness.
• Garment Manufacturing: Used in exhaust and continuous dyeing processes for apparel, home textiles, and fashion fabrics.
• Paper Coloration: Imparts color to specialty papers, including decorative and packaging materials.
• Leather Finishing: Applied in the dyeing of leather goods for a consistent and durable violet finish.
• Research & Development: Serves as a reference standard or intermediate in chemical research and analytical laboratories.

Basic Information

Product Name	Reactive Violet 5
CAS No.	12226-38-9
Molecular Formula	C20H16N3Na3O11S3
Molecular Weight	681.53 g/mol
Synonyms	Reactive Violet K-3R; C.I. Reactive Violet 5; Remazol Brilliant Violet 5R; Levafix Brilliant Violet E-5R; Drimarene Brilliant Violet K-3R; Vinylsulfone Reactive Dye; Anthraquinone Reactive Dye; 1-Amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid trisodium salt
EINECS	Contact for details

Quality Control

Our production of Reactive Violet 5 adheres to stringent quality control protocols to ensure batch-to-batch consistency and performance. Key parameters such as color strength, solubility, and fixation rate are rigorously tested against established industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to guarantee product integrity for your manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark violet to black powder or granules
Identification (IR)	Conforms to structure
Color Strength	≥ 98% (vs. Standard)
Assay (HPLC)	≥ 90%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
pH (1% Solution)	6.0 - 8.0
Fixation Rate	≥ 70%

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