Description

1'-Hydroxy-4-[[4-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-7-sodiosulfo-1-naphthalenyl]azo]-6'-phenylamino[1,2'-azobisnaphthalene]-3',7-disulfonic acid disodium salt is a high-purity, complex azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart vivid and stable coloration, particularly in demanding technical applications. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical sectors for the synthesis of high-performance dyes and pigments.

Application

• Primary Intermediate for Textile Dyes: Used in the synthesis of high-quality, wash-fast azo dyes for cotton, wool, and synthetic fibers.
• Pigment Manufacturing: Serves as a key precursor for producing organic pigments used in inks, paints, and plastics.
• Specialty Ink Formulation: Employed in the production of inks for packaging, security printing, and digital textile printing.
• Leather Dyeing: Utilized in the formulation of dyes for achieving deep, uniform colors on leather goods.
• Paper Coloring: Applied in the manufacture of dyes for high-grade colored paper and paperboard.
• Research & Development: Serves as a critical reagent in chemical research for developing new chromophores and functional materials.

Basic Information

Item	Detail
Product Name	1'-Hydroxy-4-[[4-[(1-hydroxy-4-sodiosulfo-2-naphthalenyl)azo]-7-sodiosulfo-1-naphthalenyl]azo]-6'-phenylamino[1,2'-azobisnaphthalene]-3',7-disulfonic acid disodium salt
CAS No.	6797-97-3
Molecular Formula	C44H26N6Na4O16S4
Molecular Weight	1154.94 g/mol
Synonyms	Acid Black 210; C.I. 300310; 1-Hydroxy-4-[[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-7-sulfo-1-naphthyl]azo]-6-(phenylamino)-[1,2'-azonaphthalene]-3',7-disulfonic acid, sodium salt; Disodium 1-hydroxy-4-[[4-[(1-hydroxy-4-sulfo-2-naphthyl)azo]-7-sulfo-1-naphthyl]azo]-6-(phenylamino)-[1,2'-azonaphthalene]-3',7-disulfonate; Azo Black 210; CAS 6797-97-3
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance systems.

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 material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue to black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Freely soluble

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