Description

Reactive Red 2 is a synthetic, water-soluble azo dye belonging to the reactive dye class, designed to form a covalent bond with cellulosic fibers. Its primary value lies in providing excellent wash and light fastness properties, ensuring vibrant and durable coloration in textile applications. This product is essential for manufacturers in the textile industry, particularly for dyeing and printing cotton, viscose, and other natural fibers, where consistent shade and performance are critical.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, linen, and viscose fabrics.
• Textile Printing: Used in pigment printing processes for creating patterns on cellulosic textiles.
• Leather Coloring: Imparts color to leather goods where reactive properties are beneficial.
• Paper Staining: Employed for coloring paper products requiring good water fastness.
• Research & Development: Serves as a standard or intermediate in chemical research and dye synthesis studies.
• Educational Use: Utilized in academic laboratories for teaching dye chemistry and application techniques.

Basic Information

Product Name	Reactive Red 2
CAS No.	12226-03-8
Molecular Formula	C26H17ClN7Na3O11S3
Molecular Weight	872.10 g/mol
Synonyms	Reactive Red 2; C.I. Reactive Red 2; Procion Red MX-5B; Remazol Red B; Levafix Red E-2B; Reactive Red K-2B; 2-Naphthalenesulfonic acid, 7-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)azo]-, trisodium salt; C.I. 18200
EINECS	Contact for details

Quality Control

Our Reactive Red 2 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing, including spectrophotometric strength assessment, shade verification, and solubility tests. A Certificate of Analysis (COA) detailing purity, strength, and key physical-chemical parameters is provided with each shipment to guarantee it meets your specific application requirements.

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 (moisture-sensitive); ensure the container is sealed after each use to prevent moisture absorption and caking.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 50 g/L (at 25°C)
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to standard
Fastness Properties	Contact for details

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