Description

Sodium 2-[[2-Amino-6-[[4-[[4-[(3-Carboxy-4-Hydroxyphenyl)Azo]-7-Sulpho-1-Naphthyl]Azo]-2,5-Dimethoxyphenyl]Azo]-5-Hydroxy-7-Sulpho-1-Naphthyl]Azo]-5-Nitrobenzoate is a high-purity, synthetic azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart intense and stable coloration, making it a critical component in the production of advanced dyes and pigments. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking reliable and consistent colorant performance.

Application

• Textile Dyeing: A key intermediate for synthesizing high-grade, wash-fast azo dyes for cotton, wool, and synthetic fibers.
• Ink Manufacturing: Used in the formulation of industrial and specialty printing inks to achieve vibrant, durable colors.
• Pigment Production: Serves as a precursor for creating organic pigments used in plastics, paints, and coatings.
• Leather Coloring: Employed in the production of dyes for the uniform and deep coloring of leather goods.
• Paper Coloring: Utilized in the manufacture of dyes for high-quality paper and packaging materials.
• Research & Development: Acts as a standard or starting material in chemical research for developing new colorants and functional materials.

Basic Information

Product Name	Sodium 2-[[2-Amino-6-[[4-[[4-[(3-Carboxy-4-Hydroxyphenyl)Azo]-7-Sulpho-1-Naphthyl]Azo]-2,5-Dimethoxyphenyl]Azo]-5-Hydroxy-7-Sulpho-1-Naphthyl]Azo]-5-Nitrobenzoate
CAS No.	84963-16-6
Molecular Formula	C47H28N10Na4O20S2
Molecular Weight	~1222.9 g/mol
Synonyms	Benzoic acid, 2-[[2-amino-6-[[4-[[4-[(3-carboxy-4-hydroxyphenyl)azo]-7-sulfo-1-naphthalenyl]azo]-2,5-dimethoxyphenyl]azo]-5-hydroxy-7-sulfo-1-naphthalenyl]azo]-5-nitro-, sodium salt (1:4); CI 27290; Acid Black 210; Azo dye intermediate 84963-16-6; Tetrasodium 2-[(2-amino-6-{[4-({4-[(3-carboxy-4-oxidophenyl)diazenyl]-7-sulfonatonaphthalen-1-yl}diazenyl)-2,5-dimethoxyphenyl]diazenyl}-5-hydroxy-7-sulfonatonaphthalen-1-yl)diazenyl]-5-nitrobenzoate
EINECS	Contact for details

Quality Control

Our Sodium 2-[[2-Amino-6-[[4-[[4-[(3-Carboxy-4-Hydroxyphenyl)Azo]-7-Sulpho-1-Naphthyl]Azo]-2,5-Dimethoxyphenyl]Azo]-5-Hydroxy-7-Sulpho-1-Naphthyl]Azo]-5-Nitrobenzoate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance. Certificates of Analysis (COA) detailing key specifications 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. Due to its complex azo structure, prolonged exposure to high temperatures or direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm
Solubility (in water)	Partially to fully soluble

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