Description

C.I. Reactive Blue 9 is a reactive anthraquinone dye known for its bright blue hue and covalent bonding properties with cellulosic fibers. This compound is valued for its excellent wash and light fastness, providing durable coloration in demanding textile applications. It is primarily utilized by manufacturers in the textile industry for dyeing and printing cotton, viscose, and other natural fibers, as well as in research and development for specialty colorant formulations.

Application

• Primary application in the exhaust dyeing of cotton and other cellulosic textiles.
• Used in the continuous dyeing and printing processes for fabrics.
• Employed in the coloration of viscose rayon and blended fabrics.
• Suitable for research and development of new reactive dye formulations and color matching.
• Potential use in the dyeing of leather and paper where reactive properties are beneficial.
• Can be used as a chemical intermediate for synthesizing more complex dye structures.

Basic Information

Product Name	C.I. Reactive Blue 9
CAS No.	12225-37-5
Molecular Formula	C29H19ClN7O11S3·3Na
Molecular Weight	Contact for details
Synonyms	Reactive Blue 9; Reactive Blue H-EGN; C.I. 61230; Remazol Brilliant Blue R; Levafix Brilliant Blue E-BRA; Procion Brilliant 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 trisodium salt
EINECS	Contact for details

Quality Control

Our C.I. Reactive Blue 9 is manufactured under a stringent quality management system. Every batch is tested to ensure consistent shade, strength, and reactivity performance. Key parameters such as color strength, solubility, and fixation rate are verified against established standards. A Certificate of Analysis (COA) detailing purity, physical properties, and application performance is provided with each shipment to guarantee it meets your specific 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 light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue powder
Color Strength	Standard depth ± 5%
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Fixation Rate	≥ 70% (on cotton)
Identification (IR)	Conforms to standard
Heavy Metals (as Pb)	≤ 50 ppm

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