Description

Procion Black CAS NO 83453-56-9 is a high-performance, reactive dye belonging to the monochlorotriazine class, renowned for its excellent color fastness and strong covalent bond formation with cellulosic fibers. This product is engineered to deliver consistent, vibrant black shades with superior wash and light fastness properties, ensuring long-lasting color integrity in demanding applications. It is an essential component for textile manufacturers, research laboratories, and industrial facilities specializing in dyeing cotton, viscose, and other cellulose-based materials.

Application

• Exhaust and continuous dyeing of cotton and viscose fibers and fabrics.
• Printing applications on cellulosic textiles to achieve deep, permanent black prints.
• Dyeing of hemp, linen, and other natural cellulosic materials.
• Coloration of paper and pulp for specialty paper products.
• Research and development of new dye formulations and coloration processes.
• Educational use in chemistry and textile technology programs for practical demonstrations.

Basic Information

Product Name	Procion Black CAS NO 83453-56-9
CAS No.	83453-56-9
Molecular Formula	C29H19ClN7Na3O19S6
Molecular Weight	1111.33 g/mol
Synonyms	Reactive Black 5; C.I. Reactive Black 5; Procion Black H-EXL; Remazol Black B; Levafix Black E-B; Drimarene Black K-2B; Sumifix Supra Black B; Triactive Black; Vinylsulphone Reactive Dye; Sodium 4-amino-5-hydroxy-3,6-bis((4-((2-(sulfonatooxy)ethyl)sulfonyl)phenyl)azo)naphthalene-2,7-disulfonate
EINECS	Contact for details

Quality Control

Our Procion Black is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, solubility, and reactive group content. Certificates of Analysis (COA) documenting purity, shade, and fastness properties are available upon request 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 a controlled room temperature (15-25°C). Keep away from incompatible materials and moisture to maintain product stability and performance.

Specification

Item	Specification
Appearance	Black to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Color Strength	≥ 98% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	≥ 100 g/L (at 50°C)
pH (1% Solution)	5.0 - 7.0
Dusting Property	Low

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