Description

C.I.Reactive Red 85 is a high-performance, water-soluble reactive dye belonging to the azo chemical class. It is valued for its excellent color fastness properties and strong covalent bonding with cellulosic fibers, ensuring vibrant and durable coloration. This product is essential for manufacturers in the textile industry seeking reliable and efficient dyeing solutions for cotton, viscose, and other natural fabrics. Its consistent quality makes it suitable for demanding industrial dyeing and printing processes.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, viscose, and other cellulosic fibers.
• Textile Printing: Used in printing pastes for creating sharp, wash-fast patterns on fabric.
• Leather Coloration: Imparts durable color to leather goods in tanneries.
• Paper Staining: Employed for coloring specialty papers and paper products.
• Research & Development: Serves as a reference standard or intermediate in chemical synthesis and dye research.

Basic Information

Product Name	C.I.Reactive Red 85
CAS No.	12677-17-7
Molecular Formula	C29H19ClN7Na3O19S6
Molecular Weight	1136.28 g/mol
Synonyms	Reactive Red 85; Reactive Brilliant Red K-2G; Reactive Brilliant Red K-2BP; C.I. 18221; Remazol Brilliant Red 3B-A; Levafix Brilliant Red E-4BA; Procion Red H-8B; Drimarene Brilliant Red K-2B; Sumifix Brilliant Red 3B-F
EINECS	Contact for details

Quality Control

Our production of C.I.Reactive Red 85 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, solubility, and fixation rate. Certificates of Analysis (COA) documenting purity, physical properties, and application performance are available upon request to support your quality assurance 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 and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms
Color Strength	Standard ± 3%
Shade	Matches standard
Solubility in Water	≥ 100 g/L (at 50°C)
Moisture Content	≤ 5.0%
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.