Description

Reactive Blue 34 is a high-purity, reactive anthraquinone dye used for coloring cellulosic fibers. This product is valued for its excellent wash and light fastness properties, providing vibrant and durable blue shades. It is primarily required by textile manufacturers and dye houses for dyeing and printing cotton, viscose, and other natural fibers. Our supply of Reactive Blue 34 CAS NO 12236-88-3 ensures consistent quality and reliable performance in demanding industrial applications.

Application

• Exhaust dyeing of cotton yarn and fabrics.
• Continuous pad-steam dyeing processes for cellulosic textiles.
• Textile printing applications for creating patterns on cotton and viscose.
• Dyeing of hemp and other natural plant-based fibers.
• Used in the formulation of specialty dye mixtures for specific shade requirements.
• Potential application in the coloration of paper pulp under specific conditions.

Basic Information

Product Name	Reactive Blue 34
CAS No.	12236-88-3
Molecular Formula	C23H14Cl2N6O8S2
Molecular Weight	637.42 g/mol
Synonyms	Reactive Blue K-GL; C.I. Reactive Blue 34; Remazol Brilliant Blue R; Levafix Brilliant Blue E-BRA; Procion Blue H-EGN; Drimarene Brilliant Blue K-2RL; Anthraquinone blue reactive dye; 1-Amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenylamino]anthraquinone-2-sulfonic acid
EINECS	Contact for details

Quality Control

Our Reactive Blue 34 is manufactured under a strict quality management system. Every batch is tested to ensure it meets high standards for color strength, solubility, and reactive group content. A comprehensive Certificate of Analysis (COA) detailing purity, shade, and fastness properties is provided with each shipment to guarantee batch-to-batch consistency for your production.

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 moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Dark Blue Powder
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	5.5 - 7.5
Identification (IR)	Conforms to Standard
Fastness Properties	Contact for details

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