Description

C.I. Reactive Blue 177 is a high-performance, water-soluble reactive dye belonging to the anthraquinone class, identified by CAS NO 89591-46-8. It is engineered to deliver excellent wash and light fastness properties, forming a strong covalent bond with cellulosic fibers for brilliant and durable coloration. This product is essential for textile manufacturers and dye houses seeking reliable, vibrant blue shades for cotton, viscose, and other natural fibers.

Application

• Exhaust Dyeing of Cellulosic Fibers: Primary application for dyeing cotton, rayon, linen, and hemp in jet, overflow, and winch dyeing machines.
• Continuous Dyeing Processes: Used in pad-batch, pad-steam, and pad-dry thermofix processes for uniform coloration of woven and knitted fabrics.
• Textile Printing: Suitable for printing applications on cellulose-based textiles to achieve sharp, clear blue patterns.
• Leather Dyeing: Employed for coloring leather goods where reactive dye properties are beneficial.
• Biomaterial Staining: Potential use in laboratory settings for staining specific biological or cellulose-based materials for analysis.

Basic Information

Product Name	C.I. Reactive Blue 177
CAS No.	89591-46-8
Molecular Formula	C29H19ClN7O11S3
Molecular Weight	781.14 g/mol
Synonyms	Reactive Blue 177; Reactive Blue M-2GE; C.I. 612110; Reactive Blue H-ERD; Remazol Brilliant Blue R Spec; Levafix Blue CA; Procion Blue H-ERD; Anthraquinone Blue Reactive Dye
EINECS	Contact for details

Quality Control

Our C.I. Reactive Blue 177 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for critical parameters including color strength, shade, solubility, and fixation rate to ensure batch-to-batch consistency and performance. Certificates of Analysis (COA) detailing purity, physical properties, and application test results are available upon request.

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.

Specification

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

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