Description

Tracid Brilliant Red B CAS NO 6416-66-6 is a high-purity, synthetic azo dye known for its vibrant and stable red color. This product is essential for industries requiring reliable and consistent colorants for demanding technical applications. It is primarily used by manufacturers in the textile, leather, and specialty ink sectors for dyeing and printing processes.

Application

• Primary dyeing of textile fibers, including cotton and viscose.
• Coloration of leather goods and accessories.
• Formulation of specialty inks for various printing applications.
• As a colorant in the production of paper and paper products.
• Potential use in the coloration of plastics and polymers.
• Research and development of novel colored materials in laboratory settings.

Basic Information

Product Name	Tracid Brilliant Red B
CAS No.	6416-66-6
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Brilliant Red B; C.I. Acid Red 249; Brilliant Crocein M; Lissamine Scarlet B; Acid Leather Red B; Azo Rubine S; 7-Hydroxy-8-[(E)-2-(4-sulfonatonaphthalen-1-yl)diazen-1-yl]naphthalene-1,3-disulfonate disodium salt
EINECS	229-122-6

Quality Control

Our Tracid Brilliant Red B is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. The product undergoes comprehensive analytical testing, including spectrophotometric analysis and chromatography, to verify identity, strength, and purity. A Certificate of Analysis (COA) detailing specific test results is provided with every shipment 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 ambient temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Water Insoluble Matter	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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