Description

C.I. Reactive Blue 41 is a high-performance, water-soluble reactive dye belonging to the anthraquinone class, widely recognized for its brilliant blue hue and excellent fastness properties. Its primary value lies in forming a strong covalent bond with cellulosic fibers, ensuring outstanding wash and light fastness in the final textile product. This dye is essential for manufacturers in the textile industry, particularly for dyeing and printing cotton, viscose, and other cellulose-based fabrics where vibrant, durable coloration is required. Its consistent quality and reliable performance make it a key component for producing high-grade colored textiles.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, rayon, linen, and other cellulosic fibers.
• Textile Printing: Used in pigment printing and discharge printing processes to create sharp, defined patterns on fabrics.
• Leather Coloring: Imparts a stable blue color to leather goods in tanneries.
• Paper Staining: Employed for coloring specialty papers and paper products.
• Ink Formulation: A component in the manufacture of certain types of inks requiring good color strength.
• Research & Development: Serves as a standard or intermediate in chemical research and dye synthesis laboratories.

Basic Information

Product Name	C.I. Reactive Blue 41
CAS No.	12225-55-7
Molecular Formula	C23H14Cl2N6O8S2
Molecular Weight	637.42 g/mol
Synonyms	Reactive Blue 41; Reactive Blue KE-GN; C.I. 621352; Remazol Brilliant Blue R; Levafix Blue CA; Procion Blue H-EGN; Drimarene Blue K-2RL; Anthraquinone Blue Reactive Dye; 1-Amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfophenyl]amino-9,10-dihydro-9,10-dioxo-2-anthracenesulfonic Acid
EINECS	Contact for details

Quality Control

Our production of C.I. Reactive Blue 41 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, solubility, and reactive group content. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity and specification conformance. Our quality system is designed to meet the demanding requirements of global textile manufacturers.

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 and incompatible materials. The original container is the best storage vessel to maintain product integrity.

Specification

Item	Specification
Appearance	Dark 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
Identification (IR)	Conforms to Standard
Dye Content	≥ 90%
Fastness Properties (on Cotton)	Wash: 4-5; Light: 5-6

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