Description

8-(Phenylamino)-5-[[4-[(6-Sulpho-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid is a high-purity, complex azo dye intermediate essential for producing vibrant and stable colorants. This compound matters for its role in synthesizing specialized dyes with excellent lightfastness and wash-fastness properties, meeting stringent industrial performance standards. It is primarily needed by manufacturers in the textile, ink, and specialty pigments industries seeking to develop high-performance coloring agents.

Application

• Primary Intermediate for Azo Dyes: Serves as a critical building block in the synthesis of high-grade, polyazo direct and acid dyes.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers like cotton, wool, and nylon, offering deep shades and good fastness.
• Ink Manufacturing: Employed in formulating high-quality printing inks, including those for packaging and security applications, due to its color strength.
• Specialty Pigments: A key precursor for creating complex organic pigments used in plastics, coatings, and automotive paints.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-color relationships in dye chemistry.
• Leather Coloring: Applied in the synthesis of dyes for the leather industry, providing durable and uniform coloration.
• Paper Coloring: Used in the manufacture of dyes for high-grade paper products requiring specific color tones and stability.

Basic Information

Product Name	8-(Phenylamino)-5-[[4-[(6-Sulpho-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid
CAS No.	93783-11-0
Molecular Formula	C36H24N6O6S2
Molecular Weight	700.74 g/mol
Synonyms	Acid Black 210; C.I. 300310; 8-Anilino-5-[[4-[(6-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]naphthalene-1-sulfonic acid; 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-((4-((6-sulfo-1-naphthalenyl)azo)-1-naphthalenyl)azo)-; Direct Black 210; Azo Black 210; Trisazo dye intermediate
EINECS	Contact for details

Quality Control

Our 8-(Phenylamino)-5-[[4-[(6-Sulpho-1-Naphthyl)Azo]-1-Naphthyl]Azo]Naphthalene-1-Sulphonic Acid is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. All products undergo rigorous quality testing, including chromatographic purity analysis and spectrophotometric identification, to ensure compliance with industry standards. A Certificate of Analysis (COA) detailing specific batch results is available upon request to support your quality assurance and regulatory needs.

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 organic structure, prolonged exposure to high humidity or extreme temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Sulfated Ash	≤ 1.0%
Solubility	Soluble in alkaline water

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