Description

Reactive Blue 69 is a synthetic, water-soluble reactive dye belonging to the anthraquinone class, known for its bright blue hue and excellent fastness properties. Its primary value lies in its ability to form a covalent bond with cellulosic fibers like cotton and viscose, ensuring superior wash and light fastness compared to direct or acid dyes. This product is essential for textile manufacturers, dye houses, and chemical suppliers serving the global textile industry, particularly for dyeing and printing applications where vibrant, durable color is required.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cellulosic fibers such as cotton, linen, rayon, and hemp.
• Textile Printing: Used in pigment printing pastes and inks for creating patterned fabrics with high color yield.
• Leather Coloring: Imparts color to finished leather goods where reactive properties are beneficial.
• Paper Staining: Employed for specialty paper coloring where high colorfastness is needed.
• Research & Development: Serves as a standard or intermediate in chemical research and dye synthesis laboratories.
• Industrial Colorant: Potential use in coloring non-textile materials where its specific chromophore properties are advantageous.

Basic Information

Product Name	Reactive Blue 69
CAS No.	59800-32-7
Molecular Formula	C29H19ClN7O11S3·xNa
Molecular Weight	Approx. 785.1 (Free Acid)
Synonyms	Reactive Blue 69; C.I. Reactive Blue 69; Remazol Brilliant Blue R; Levafix Brilliant Blue E-BRA; Drimarene Brilliant Blue R-K2L; Procion Brilliant Blue H-EG; 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 sodium salt
EINECS	Contact for details

Quality Control

Our Reactive Blue 69 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous internal specifications for critical parameters including color strength, shade, solubility, and fixation rate. A Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with every shipment to guarantee it meets the demands of industrial textile processing.

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 prevent degradation.

Specification

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