Description

Reactive Blue 173 is a high-performance, fiber-reactive dye belonging to the anthraquinone class, valued for its brilliant blue hue and excellent wash and light fastness properties. It is a critical component for achieving durable and vibrant coloration in cellulosic textiles, particularly in demanding industrial dyeing processes. This product is essential for manufacturers in the textile and leather industries seeking reliable, high-quality colorants for cotton, viscose, and other natural fibers.

Application

• Primary application in the exhaust dyeing of cellulosic fibers such as cotton, linen, and viscose.
• Used in continuous dyeing and printing processes for textiles.
• Suitable for dyeing leather and other natural materials requiring reactive dyes.
• Employed in the production of colored paper and specialty papers.
• Can be used in research and development for creating new color formulations and studying dyeing kinetics.

Basic Information

Product Name	Reactive Blue 173
CAS No.	89591-45-7
Molecular Formula	C31H23ClN7Na4O19S6
Molecular Weight	1247.34 g/mol
Synonyms	C.I. Reactive Blue 173; Reactive Blue M-2GE; Remazol Brilliant Blue R Special; Vinylsulfone Reactive Dye Blue 173; 2-Anthracenesulfonic acid, 1-amino-4-[[4-[[4-chloro-6-[[3-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]amino]-9,10-dihydro-9,10-dioxo-, sodium salt (1:?); Reactive Turquoise Blue G
EINECS	Contact for details

Quality Control

Our Reactive Blue 173 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Each lot is tested against stringent in-house specifications for critical parameters such as color strength, solubility, and fixation rate. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with every shipment to guarantee it meets your specific application requirements.

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 incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	5.5 - 7.5
Fixation Rate	≥ 70% (on cotton)
Dusting Property	Low

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