Description

Basic Red 76 is a cationic (basic) dye belonging to the azo chemical class, widely recognized for its vibrant red color and strong affinity for polyacrylonitrile fibers. This high-performance dye is valued for its excellent color fastness properties, including good lightfastness and washfastness, ensuring long-lasting coloration in demanding applications. It is primarily used by manufacturers in the textile, paper, and specialty ink industries seeking reliable and consistent red dye solutions for synthetic materials.

Application

• Textile Dyeing: Primary application for dyeing acrylic fibers, modacrylic, and other synthetic textiles to achieve bright red shades.
• Paper Coloring: Used in the production of specialty papers, including decorative and high-visibility security papers.
• Ink Manufacturing: A key colorant for inks used in stamp pads, flexographic printing, and other applications requiring good solubility.
• Leather Finishing: Employed in the dyeing of leather goods to provide rich, uniform red coloration.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Basic Red 76
CAS No.	68391-30-0
Molecular Formula	C21H21ClN6O3S
Molecular Weight	496.95 g/mol
Synonyms	Aizen Cathilon Red 5BLH; Astrazon Red FBL; Basic Red 5BL; C.I. Basic Red 76; Maxilon Red 5BL; Panacryl Red 5BL; Red 5BL; 1,3-Benzenedicarboxamide, N1,N3-bis[4-[(2-chloro-4-nitrophenyl)azo]-3-methylphenyl]-; Cationic Red 5BL
EINECS	269-943-2

Quality Control

Our Basic Red 76 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against stringent in-house specifications for parameters such as color strength, shade, solubility, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing the test results is provided with every shipment to guarantee product integrity and 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 room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Dark red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Ash Content	Max. 1.0%

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