Description

Trisodium 5-[[4-[(4-Acetamidophenyl)Azo]-6-Sulphonatonaphthyl]Azo]-8-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate is a high-purity, water-soluble azo dye intermediate known for its complex polyazo structure and multiple sulfonate groups. This compound is valued for its ability to impart strong, vibrant color properties and excellent water solubility in advanced dye formulations. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance dyes and pigments.

Application

• Textile Dyeing: A key intermediate for synthesizing reactive, direct, and acid dyes for coloring natural and synthetic fibers like cotton, wool, and nylon.
• Ink Manufacturing: Used in the production of high-quality inks for packaging, printing, and writing instruments, providing excellent color strength and stability.
• Leather Coloring: Employed in the formulation of dyes for the leather tanning and finishing industry.
• Paper Coloring: Suitable for the manufacture of dyes used in specialty paper and cardboard products.
• Biological Staining: Potential use as a staining agent in histological and microbiological applications due to its chromophoric properties.
• Research & Development: Serves as a critical building block in chemical research for developing new chromophores and functional dyes.

Basic Information

Product Name	Trisodium 5-[[4-[(4-Acetamidophenyl)Azo]-6-Sulphonatonaphthyl]Azo]-8-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate
CAS No.	67906-47-2
Molecular Formula	C44H26N6Na3O13S3
Molecular Weight	~1020.86 g/mol
Synonyms	Acid Black 210; C.I. 300310; Trisodium 5-[[4-[(4-acetamidophenyl)azo]-6-sulphonato-1-naphthyl]azo]-8-[(2-hydroxy-6-sulphonato-1-naphthyl)azo]naphthalene-2-sulphonate; Polyazo Black Dye Intermediate; 5-[[4-[(4-Acetamidophenyl)Azo]-6-Sulphonatonaphthyl]Azo]-8-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate Trisodium Salt
EINECS	Contact for details

Quality Control

Our production of Trisodium 5-[[4-[(4-Acetamidophenyl)Azo]-6-Sulphonatonaphthyl]Azo]-8-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical quality attributes 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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals (as Pb)	≤ 20 ppm

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