Description

Supracet Brilliant Red Bd is a high-performance synthetic dye belonging to the azo dye class, identified by CAS No. 6373-93-9. It is valued for its intense, brilliant red color and excellent fastness properties, making it a critical component for achieving vibrant and durable coloration. This product is essential for manufacturers in the textile, leather, and specialty ink industries seeking reliable and consistent colorants for their high-quality products.

Application

• Textile Dyeing: Primary application for dyeing natural and synthetic fibers, including cotton, wool, and nylon, to achieve bright red shades.
• Leather Finishing: Used in the dyeing of leather goods such as footwear, bags, and upholstery for rich, uniform color.
• Ink Manufacturing: A key pigment for formulating specialty inks, including those for packaging, security printing, and decorative applications.
• Paper Coloration: Employed in the production of colored papers, tissues, and decorative paper products.
• Plastics and Polymers: Suitable for mass coloration of certain plastics where a stable red hue is required.
• Research & Development: Serves as a standard or reference material in analytical chemistry and color science laboratories.

Basic Information

Product Name	Supracet Brilliant Red Bd
CAS No.	6373-93-9
Molecular Formula	C23H21N5O8S2.2Na
Molecular Weight	637.55 g/mol
Synonyms	Acid Red 337; C.I. 17200; Supracet Brilliant Red BD; Brilliant Red Bd; Azo Rubine S; Acid Brilliant Red Bd; 5-[(4,8-Disulfo-2-naphthalenyl)azo]-2-[(2-hydroxy-5-sulfophenyl)azo]-4-methylbenzenesulfonic acid trisodium salt; 2-Naphthalenesulfonic acid, 5-[(4,8-disulfo-2-naphthalenyl)azo]-2-[(2-hydroxy-5-sulfophenyl)azo]-4-methyl-, trisodium salt
EINECS	228-922-9

Quality Control

Our Supracet Brilliant Red Bd is produced under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for critical parameters such as color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) detailing these results 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 room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	≥ 98% (vs. Standard)
Assay (HPLC)	≥ 85%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 30.0%

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