Description

Reactive Blue 26 is a high-purity, anthraquinone-based reactive dye known for its excellent color fastness and brilliant blue hue. This product is essential for achieving consistent, vibrant, and wash-resistant coloration in cellulose fibers. It is primarily used by manufacturers in the textile industry for dyeing and printing cotton, viscose, and other cellulosic materials, ensuring reliable performance in demanding industrial processes.

Application

• Primary dyeing of cotton and viscose fibers in exhaust and continuous dyeing processes.
• Textile printing applications for creating sharp, durable blue patterns on cellulosic fabrics.
• Used in the coloration of hemp, linen, and other natural cellulosic materials.
• Formulation of specialty dye mixtures and ink-jet printing inks for textiles.
• Application in laboratory research and development for new dyeing techniques and fiber testing.

Basic Information

Product Name	Reactive Blue 26
CAS No.	12225-43-3
Molecular Formula	C32H20Cl2N6Na4O16S4
Molecular Weight	1083.78 g/mol
Synonyms	Reactive Blue K-GL; C.I. Reactive Blue 26; Remazol Brilliant Blue R; Levafix Brilliant Blue E-BRA; Procion Blue H-ERD; Drimarene Brilliant Blue K-2RL; Anthraquinone Blue, Reactive; 1-Amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenylamino]anthraquinone-2-sulfonic acid, tetrasodium salt
EINECS	235-417-4

Quality Control

Our Reactive Blue 26 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Every lot is tested against key parameters including color strength, solubility, and fixation properties. A comprehensive Certificate of Analysis (COA) detailing purity, shade, and physical-chemical specifications is provided with each shipment to guarantee it meets your technical 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 strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Dark Blue Powder
Color Strength	≥ 98% (Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Fixation Rate	≥ 70% (on cotton)

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