Description

Disodium 4-Amino-3-[[4-[5-[(2,4-Diamino-5-Methylphenyl)Azo]-1H-Benzimidazol-2-Yl]Phenyl]Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonate is a high-purity, complex azo dye intermediate with a polycyclic aromatic structure. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced dye synthesis. It is primarily required by manufacturers in the specialty chemical, textile dyeing, and advanced materials sectors for producing high-performance pigments and dyes.

Application

• Primary Intermediate for High-Performance Dyes: Synthesis of specialized azo dyes for textiles, leather, and paper.
• Functional Dye Manufacturing: Production of dyes for inks, coatings, and plastics requiring specific lightfastness and stability.
• Research & Development: Used in chemical R&D for developing novel chromophores and functional materials.
• Specialty Pigment Production: Key precursor in the manufacture of complex organic pigments.
• Analytical Chemistry: Potential use as a standard or reagent in colorimetric analysis and testing.

Basic Information

Product Name	Disodium 4-Amino-3-[[4-[5-[(2,4-Diamino-5-Methylphenyl)Azo]-1H-Benzimidazol-2-Yl]Phenyl]Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonate
CAS No.	93803-36-2
Molecular Formula	C41H28N12Na2O8S2
Molecular Weight	906.82 g/mol
Synonyms	Acid Black 234; C.I. 31785; Disodium 4-amino-3-[[4-[5-[(2,4-diamino-5-methylphenyl)azo]-1H-benzimidazol-2-yl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[5-[(2,4-diamino-5-methylphenyl)azo]-1H-benzimidazol-2-yl]phenyl]azo]-5-hydroxy-6-(phenylazo)-, disodium salt; Benzimidazole azo dye intermediate; Complex polyazo dye salt
EINECS	Contact for details

Quality Control

Our production of Disodium 4-Amino-3-[[4-[5-[(2,4-Diamino-5-Methylphenyl)Azo]-1H-Benzimidazol-2-Yl]Phenyl]Azo]-5-Hydroxy-6-(Phenylazo)Naphthalene-2,7-Disulphonate adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and batch-to-batch reliability. Certificates of Analysis (COA) detailing key specifications are provided to guarantee compliance with your technical requirements.

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 tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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