Description

C.I. Reactive Blue 65 is a high-performance, reactive anthraquinone dye renowned for its brilliant blue hue and excellent wash and light fastness properties. This compound is a critical component for achieving durable and vibrant coloration on cellulosic fibers like cotton and viscose. It is essential for manufacturers in the textile industry seeking reliable, high-quality dyes for batch-to-batch consistency. The product is supplied as a commercial-grade powder, optimized for industrial dyeing and printing processes.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, linen, and other cellulosic fabrics.
• Textile Printing: Used in pigment printing pastes for creating sharp, durable blue designs on garments and home textiles.
• Leather Coloring: Imparts a stable blue color to finished leather goods.
• Paper Staining: Employed for specialty paper coloring where high color fastness is required.
• Research & Development: Serves as a standard or intermediate in chemical research and dye synthesis studies.

Basic Information

Product Name	C.I. Reactive Blue 65
CAS No.	61968-89-6
Molecular Formula	C29H19ClN7O11S3
Molecular Weight	804.12 g/mol
Synonyms	Reactive Blue 65; Reactive Blue K-GL; C.I. 621522; Remazol Brilliant Blue R Special; Levafix Blue CA; Procion Blue H-EGN; Drimarene Blue K-2BL; Anthraquinone blue reactive dye; 1-Amino-4-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid
EINECS	Contact for details

Quality Control

Our C.I. Reactive Blue 65 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for key parameters including color strength, shade, solubility, and reactive group content to ensure it meets the stringent demands of industrial textile applications. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with each shipment to guarantee batch-to-batch consistency and reliability.

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, sparks, and open flame. The product is light-sensitive and should be stored in its original packaging away from direct sunlight to prevent degradation.

Specification

Item	Specification
Appearance	Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Dusting Property	Low

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