Description

Procion Red Mx 8B is a highly reactive, dichlorotriazine-based fiber-reactive dye renowned for its brilliant red hue and excellent fastness properties. This product is essential for achieving vibrant, wash-fast coloration on cellulosic fibers like cotton, viscose, and linen. It is a critical raw material for textile dyeing and printing industries, as well as for research and development in color chemistry. The compound is identified by CAS No. 57583-69-4.

Application

• Textile Dyeing: Primary application for exhaust and continuous dyeing of cotton, rayon, and other cellulosic fabrics.
• Textile Printing: Used in printing pastes for creating sharp, durable patterns on natural fiber textiles.
• Leather Coloring: Imparts color to leather goods where good fastness to light and rubbing is required.
• Paper Staining: Employed for coloring paper pulp and specialty papers.
• Biomolecule Staining: Used in laboratory research for staining proteins and other biological materials.
• Ink Formulation: A component in the manufacture of certain specialty inks.
• Educational & Research: Serves as a standard reactive dye in academic and industrial R&D for studying dyeing kinetics and processes.

Basic Information

Product Name	Procion Red Mx 8B
CAS No.	57583-69-4
Molecular Formula	C19H10Cl2N6Na2O7S2
Molecular Weight	615.34 g/mol
Synonyms	Reactive Red 2; C.I. Reactive Red 2; Procion Red MX-8B; Procion Red MX-8B 125; Reactive Brilliant Red X-3B; Reactive Red X-3B; Levafix Red E-2B; Remazol Red RB; C.I. 18200; 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[(4-methoxy-6-chloro-1,3,5-triazin-2-yl)azo]-6-(phenylazo)-, disodium salt
EINECS	260-807-5

Quality Control

Our Procion Red Mx 8B is manufactured under strict quality management systems. Each batch undergoes comprehensive analysis to ensure consistent color strength, purity, and reactive group content. Key parameters such as shade, solubility, and fixation rate are rigorously tested against established standards. Certificates of Analysis (COA) detailing all specifications are available for every shipment upon request.

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 incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown powder
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 85.0%
Fixation Rate	≥ 70%

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