Description

Tetrasodium n-[4-[[4-[[4-[[1-Amino-8-Hydroxy-3,6-Disulphonato-7-[(4-Sulphonatophenyl)Azo]-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-3-Hydroxyphenyl]Glycinate is a high-purity, water-soluble azo dye intermediate with a complex polyfunctional structure. This compound is valued for its role as a critical precursor in the synthesis of high-performance dyes and pigments, offering excellent color strength and stability. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vivid, durable colors.

Application

• Textile Dye Manufacturing: A key intermediate for producing reactive and direct dyes for cotton, wool, and nylon fibers.
• Inkjet and Printing Inks: Used in the synthesis of pigments for high-quality inks requiring bright hues and lightfastness.
• Industrial Pigments: Serves as a building block for creating complex organic pigments used in plastics and coatings.
• Biological Staining: Potential use as an intermediate for histochemical stains and indicators in laboratory settings.
• Research & Development: Employed in chemical research for studying azo dye chemistry and developing novel colorants.

Basic Information

Product Name	Tetrasodium n-[4-[[4-[[4-[[1-Amino-8-Hydroxy-3,6-Disulphonato-7-[(4-Sulphonatophenyl)Azo]-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-3-Hydroxyphenyl]Glycinate
CAS No.	85750-09-0
Molecular Formula	C41H26N8Na4O19S4
Molecular Weight	1156.89 g/mol (as Tetrasodium salt)
Synonyms	Acid Black 210; C.I. 300310; Tetrasodium 4,4'-[4-[[4-[[4-[[1-Amino-8-hydroxy-3,6-disulfo-7-[(4-sulfophenyl)azo]-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-3-hydroxyphenyl]iminodiacetate; 85750-09-0; Glycine, N-[4-[[4-[[4-[[1-amino-8-hydroxy-3,6-disulfo-7-[(4-sulfophenyl)azo]-2-naphthyl]azo]benzoyl]amino]phenyl]azo]-3-hydroxyphenyl]-N-(carboxymethyl)-, sodium salt (1:4)
EINECS	Contact for details

Quality Control

Our production of Tetrasodium n-[4-[[4-[[4-[[1-Amino-8-Hydroxy-3,6-Disulphonato-7-[(4-Sulphonatophenyl)Azo]-2-Naphthyl]Azo]Benzoyl]Amino]Phenyl]Azo]-3-Hydroxyphenyl]Glycinate adheres to stringent quality protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Dark brown to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfated Ash	25.0 - 35.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear solution

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