Description

Remazol Brilliant Blue Rd is a high-purity, reactive vinyl sulfone dye renowned for its brilliant blue color and excellent fastness properties. This product is essential for achieving consistent, vibrant, and durable coloration in textile dyeing and printing processes. It is a critical component for manufacturers in the textile industry, particularly for dyeing and printing cellulose fibers like cotton and viscose, where it forms a strong covalent bond with the fiber.

Application

• Primary Textile Dyeing: Exhaust and continuous dyeing of cellulose fibers (cotton, linen, viscose) to produce brilliant blue shades with superior wash and light fastness.
• Textile Printing: Used in printing pastes for direct and discharge printing on cellulosic fabrics, offering sharp print definition and color yield.
• Leather Coloring: Application in dyeing leather to achieve deep, uniform blue colors with good adhesion and resistance.
• Paper Staining: Employed as a colorant for specialty papers, providing intense blue coloration.
• Biological Staining: Utilized in life sciences as a staining agent in gel electrophoresis and other laboratory techniques.
• Ink Formulation: A component in the manufacture of certain inks requiring high color strength and stability.

Basic Information

Product Name	Remazol Brilliant Blue Rd
CAS No.	12225-52-4
Molecular Formula	C22H16N2Na2O11S3
Molecular Weight	626.54 g/mol
Synonyms	Reactive Blue 19; Remazol Brilliant Blue R; C.I. Reactive Blue 19; Vinylsulfonyl Reactive Blue Dye; Sodium 2-[2-[4-[(2-sulfonatooxyethyl)sulfonyl]phenyl]ethenyl]-5-[[4-(ethylamino)-6-[(4-sulfonatophenyl)amino]-1,3,5-triazin-2-yl]amino]benzenesulfonate; Brilliant Blue R; Remazol Blue R
EINECS	235-393-3

Quality Control

Our Remazol Brilliant Blue Rd is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous specifications for color strength, solubility, and reactive group content. A Certificate of Analysis (COA) detailing purity, shade, and application performance is provided with every shipment to guarantee it meets the demands of industrial dyeing processes.

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 moisture to maintain product integrity and shelf life.

Specification

Item	Specification
Appearance	Dark Blue Powder
Color Strength	≥ 100% (Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Clear Solution
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms

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