Description

5-[[2,4-Dihydroxy-5-[[4-(6-Methyl-4-Sulphobenzothiazol-2-Yl)Phenyl]Azo]Phenyl]Azo]-4-Hydroxy-3-[(4-Nitrophenyl)Azo]Naphthalene-2,7-Disulphonic Acid is a high-performance, polyazo dye intermediate known for its complex molecular structure and excellent chromophoric properties. This compound is critical for synthesizing specialized dyes and pigments that require high color strength, thermal stability, and specific shade characteristics. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries for producing high-value colorants.

Application

• Textile Dyeing: As a key intermediate for producing high-fastness azo dyes for synthetic fibers like polyester and nylon.
• Ink Formulation: Used in the synthesis of pigments for industrial printing inks, including packaging and security inks.
• Specialty Coatings: Serves as a precursor for creating colorants in high-performance paints and automotive coatings.
• Plastics and Polymers: Imparts color to engineering plastics where thermal and light stability are paramount.
• Research & Development: Utilized in academic and industrial R&D for developing novel chromophores and functional dyes.
• Analytical Reagents: Potential use as a staining agent or indicator in specific analytical chemistry applications.

Basic Information

Product Name	5-[[2,4-Dihydroxy-5-[[4-(6-Methyl-4-Sulphobenzothiazol-2-Yl)Phenyl]Azo]Phenyl]Azo]-4-Hydroxy-3-[(4-Nitrophenyl)Azo]Naphthalene-2,7-Disulphonic Acid
CAS No.	72152-66-0
Molecular Formula	C40H24N8O14S4
Molecular Weight	968.91 g/mol
Synonyms	Acid Black 210; C.I. 30027; Polyazo dye intermediate; 5-[[2,4-Dihydroxy-5-[(4-(6-methyl-4-sulfo-2-benzothiazolyl)phenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-2,7-naphthalenedisulfonic acid; 72152-66-0; Azo Black 210; Benzothiazole azo dye intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems. Every batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and performance. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee the material meets your technical specifications and supports your own quality assurance protocols.

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); prolonged exposure to moisture or direct light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Sulfated Ash	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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