Description

Trisodium 4-Amino-5-Hydroxy-3-[[4-[(2-Hydroxy-6-Sulphonato-1-Naphthyl)Azo]Phenyl]Azo]-6-(Phenylazo)Naphthalene-2,7-Disulphonate is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its complex polyazo structure, featuring multiple sulphonate groups, provides excellent chromophoric properties and solubility for demanding applications. This compound is primarily utilized by manufacturers in the textile, ink, and specialty chemical sectors seeking to produce vivid and stable colorants.

Application

• Textile Dyeing: A key intermediate for synthesizing high-performance, wash-fast azo dyes for cotton, wool, and synthetic fibers.
• Ink Manufacturing: Used in the production of pigments for printing inks, including those for packaging and security applications.
• Leather Coloring: Employed in the formulation of dyes for the leather tanning and finishing industry.
• Paper Staining: Serves as a colorant intermediate for specialty papers requiring specific hue and brightness.
• Research & Development: A valuable chemical building block for academic and industrial R&D in organic synthesis and chromophore design.
• Specialty Coatings: Can be incorporated into formulations for coatings where specific color properties are required.

Basic Information

Product Name	Trisodium 4-Amino-5-Hydroxy-3-[[4-[(2-Hydroxy-6-Sulphonato-1-Naphthyl)Azo]Phenyl]Azo]-6-(Phenylazo)Naphthalene-2,7-Disulphonate
CAS No.	53554-24-8
Molecular Formula	C32H19N6Na3O13S3
Molecular Weight	872.70 g/mol
Synonyms	Acid Black 210; C.I. 300310; Trisodium 4-amino-5-hydroxy-6-(phenylazo)-3-[[4-[(2-hydroxy-6-sulfo-1-naphthyl)azo]phenyl]azo]naphthalene-2,7-disulfonate; 4-Amino-5-hydroxy-3-[[4-[(2-hydroxy-6-sulphonato-1-naphthyl)azo]phenyl]azo]-6-(phenylazo)naphthalene-2,7-disulphonic acid trisodium salt; Polyazo dye intermediate; Black 210 (Acid); C.I. Acid Black 210
EINECS	Contact for details

Quality Control

Our production of Trisodium 4-Amino-5-Hydroxy-3-[[4-[(2-Hydroxy-6-Sulphonato-1-Naphthyl)Azo]Phenyl]Azo]-6-(Phenylazo)Naphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Completely soluble
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	6.0 - 8.0

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