Description

Reactive Blue 225 is a high-performance, vinyl sulfone-based reactive dye designed for exceptional color fastness and brilliant blue shades. This product is crucial for achieving deep, wash-resistant coloration on cellulosic fibers like cotton and viscose, making it a cornerstone for quality textile manufacturing. It is primarily needed by textile mills, dye houses, and chemical distributors serving the global apparel and home furnishing industries. Our supply of Reactive Blue 225 CAS NO 132174-48-2 ensures consistent quality and reliable performance for demanding dyeing applications.

Application

• Exhaust dyeing and continuous dyeing of cotton fabrics and yarns.
• Pad-batch and pad-steam dyeing processes for cellulosic textiles.
• Production of vibrant blue shades in knitwear, denim, and home textiles like towels and bedsheets.
• Used in combination with other reactive dyes to achieve a wide spectrum of colors and deep blacks.
• Suitable for dyeing regenerated cellulosic fibers such as viscose and lyocell.
• Application in the garment dyeing industry for finished apparel.

Basic Information

Product Name	Reactive Blue 225
CAS No.	132174-48-2
Molecular Formula	C29H20ClN7O11S3·2Na
Molecular Weight	872.19 g/mol (as disodium salt)
Synonyms	Reactive Blue 225; C.I. Reactive Blue 225; Remazol Brilliant Blue BB; Levafix Blue CA; Drimarene Blue K-2B; Sumifix Brilliant Blue BB; Vinylsulfone Reactive Blue 225; 2-[[4-[[4-Chloro-6-[[3-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-5-[[4-ethoxy-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-4-hydroxybenzenesulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our Reactive Blue 225 is manufactured under a strict quality management system to ensure batch-to-batch consistency and meets the high standards required for industrial textile dyeing. Every lot is tested for key parameters including color strength, solubility, and fixation rate. A Certificate of Analysis (COA) detailing purity, shade, and physical properties is provided with each shipment to guarantee product integrity and performance.

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 maintain stability.

Specification

Item	Specification
Appearance	Blue powder
Color Strength	Standard depth ± 3%
Solubility in Water	≥ 100 g/L (at 50°C)
pH (1% Solution)	6.0 - 8.0
Moisture Content	≤ 5.0%
Dusting Property	Low dusting
Identification (IR)	Conforms to standard
Fixation Rate	≥ 70% (Standard conditions)

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