Description

Reactive Blue 198 is a high-performance, vinyl sulfone-based reactive dye renowned for its brilliant blue hue and excellent fastness properties. This product is essential for achieving deep, wash-fast, and lightfast coloration on cellulosic fibers like cotton and viscose. It is a critical component for textile manufacturers, dye houses, and chemical suppliers serving the global apparel, home furnishing, and industrial fabric markets. Reactive Blue 198 CAS NO 124448-55-1 offers reliable batch-to-batch consistency for demanding production environments.

Application

• Exhaust Dyeing of Cotton: Primary application for yarn, knits, and woven fabrics in jet, overflow, and beam dyeing machines.
• Continuous Pad-Batch and Pad-Steam Dyeing: Used for efficient, large-scale coloration of cotton fabrics.
• Cellulosic Fiber Blends: Effective for dyeing cotton/polyester and cotton/lycra blends with appropriate dye selection.
• Production of Navy and Black Shades: A key component in ternary mixtures with red and yellow dyes to produce deep, composite shades.
• Textile Printing: Suitable for printing applications on cellulose-based substrates.
• Leather Dyeing: Used for coloring leather goods where reactive dyes are specified.

Basic Information

Product Name	Reactive Blue 198
CAS No.	124448-55-1
Molecular Formula	C29H19ClN7O11S3·xNa
Molecular Weight	Approx. 840.18 (Free Acid)
Synonyms	Reactive Blue VS-R; C.I. Reactive Blue 198; Remazol Brilliant Blue R Spec.; Vinylsulfone Reactive Blue 198; Levafix Blue CA; Dianix Blue CC-R; Kayacion Blue P-3R; Procion Blue H-ERD
EINECS	Contact for details

Quality Control

Our Reactive Blue 198 is manufactured under a stringent quality management system to ensure superior color strength, solubility, and fixation properties. Every batch is tested against key parameters including shade, reactivity, and fastness to guarantee performance in your application. A comprehensive Certificate of Analysis (COA) detailing purity, strength, and physical specifications is provided with each shipment to support your quality assurance protocols.

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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Blue Powder
Color Strength	100 ± 3% (Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	5.0 - 7.0
Identification (IR)	Conforms to Standard
Shade on Cotton	Conforms to Standard
Fastness Properties (Wash, Light, Rub)	≥ 4 (Standard)

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