Description

Coomassie Navy Blue G CAS NO 6406-32-2 is a high-purity, synthetic organic dye belonging to the azo dye class. This compound is valued for its deep, stable navy blue color and its excellent performance in demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and specialty ink industries seeking consistent and vibrant coloration.

Application

• Textile Dyeing: A key colorant for dyeing cotton, wool, and synthetic fibers to achieve deep navy blue shades.
• Leather Finishing: Used in the dyeing and finishing of leather goods, providing rich, uniform color.
• Ink Manufacturing: Employed in the formulation of specialty inks, including printing inks and security inks.
• Paper Coloring: Applied in the production of colored papers and paper products.
• Biological Staining: Used in specific histological and microbiological staining protocols in laboratory settings.
• Plastics and Polymers: Can be used as a colorant for certain plastics and polymeric materials.

Basic Information

Product Name	Coomassie Navy Blue G
CAS No.	6406-32-2
Molecular Formula	C29H19N5Na2O8S2
Molecular Weight	699.66 g/mol
Synonyms	Coomassie Navy Blue G; Acid Blue 113; C.I. 26360; Navy Blue G; Amido Navy Blue G; Lissamine Navy G; Supranol Navy Blue G; Acid Navy Blue G; Azo Navy Blue G
EINECS	229-064-6

Quality Control

Our Coomassie Navy Blue G is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards and consistent performance specifications for color strength and solubility. Certificates of Analysis (COA) detailing purity, heavy metal content, and other critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark Blue to Navy Blue Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Heavy Metals (as Pb)	≤ 20 ppm
Ash Content	≤ 1.0%

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