Description

Reactive Blue 224 is a high-performance, bifunctional reactive dye belonging to the vinyl sulfone and monochlorotriazine class, offering excellent color yield and wash-fastness properties. Its primary value lies in providing a brilliant and durable blue shade with high fixation rates and good reproducibility on cellulosic fibers. This dye is essential for textile manufacturers and dye houses specializing in the coloration of cotton, viscose, and other natural fibers, particularly for applications demanding superior wet fastness.

Application

• Exhaust Dyeing of Cotton: Primary application for dyeing yarn, knits, and woven fabrics in jet, overflow, and beam dyeing machines.
• Continuous Dyeing Processes: Used in pad-batch, pad-steam, and pad-dry thermofix processes for efficient, large-scale fabric production.
• Viscose and Linen Coloration: Effective for dyeing other cellulosic substrates to achieve vibrant, wash-fast blue hues.
• Shade Building and Tri-chromy: A key component in combination with other reactive dyes (e.g., yellows and reds) to produce a wide spectrum of green, navy, and black shades.
• Garment Dyeing: Suitable for the batch dyeing of finished apparel items where levelness and penetration are critical.
• Technical Textiles: Used for coloring textiles where functional performance and colorfastness to washing and light are required.

Basic Information

Product Name	Reactive Blue 224
CAS No.	122390-99-2
Molecular Formula	C29H19ClN7Na4O19S6
Molecular Weight	1136.26 g/mol
Synonyms	Reactive Blue 224; C.I. Reactive Blue 224; Remazol Brilliant Blue R Special; Levafix Blue CA; Drimarene Blue R-BL; Sumifix Brilliant Blue BR; Procion Blue H-ERD; Vinylsulfone Blue Dye; Bifunctional Reactive Blue Dye; Sodium 4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-5-hydroxy-3-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]azo]-6-[[4-[[2-(sulfonatooxy)ethyl]sulfonyl]phenyl]azo]naphthalene-2,7-disulfonate
EINECS	Contact for details

Quality Control

Our Reactive Blue 224 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, solubility, and fixation properties. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and application test results is provided with each shipment to guarantee it meets the specifications required for industrial textile dyeing.

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; ensure the original packaging is resealed tightly after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Blue Powder
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Solubility (at 50°C)	≥ 100 g/L
pH (1% Solution)	5.5 - 7.5
Dusting Property	Low
Fixation Rate (on Cotton)	≥ 75%
Shade	Conforms to Standard

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