Description

Benzoic acid, 2-hydroxy-, monosodium salt, coupled with 5-amino-2-naphthalenesulfonic acid and diazotized 2-(4-aminophenyl)-1H-benzimidazol-5-amine, diazotized, coupled with phenol, sodium salt is a complex, high-purity azo dye intermediate with a specific and sophisticated molecular architecture. This compound is valued for its role in synthesizing specialized dyes and pigments that offer excellent color fastness and stability. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries for producing high-performance colorants.

Application

• Primary intermediate for the synthesis of high-performance azo dyes used in textile coloration.
• Key component in manufacturing pigments for industrial inks, including those for packaging and printing.
• Used in the production of colorants for specialty coatings and plastics requiring specific light and chemical resistance.
• Potential use in the research and development of functional dyes for non-textile applications, such as in optical materials.
• Employed in analytical chemistry as a reference standard or reagent in specific chromatographic or spectroscopic methods.

Basic Information

Product Name	Benzoic acid, 2-hydroxy-, monosodium salt, coupled with 5-amino-2-naphthalenesulfonic acid and diazotized 2-(4-aminophenyl)-1H-benzimidazol-5-amine, diazotized, coupled with phenol, sodium salt
CAS No.	90218-96-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Azoic Coupling Component; Diazotized amine dye intermediate; Sodium 5-[(4-aminophenyl)benzimidazolyl]azo-2-naphthalenesulfonate derivative; Azo dye intermediate derived from 2-(4-aminophenyl)-1H-benzimidazol-5-amine; Phenol-coupled azo compound; Benzimidazole-based azo intermediate; 5-Amino-2-naphthalenesulfonic acid azo derivative; Technical grade azo coupling salt.
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Quality is verified through analytical methods including HPLC, UV-Vis spectroscopy, and titration to confirm identity, purity, and strength. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Colored Powder or Solid
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Residue on Ignition (Sulfated Ash)	Max. 1.0%
Heavy Metals (as Pb)	Max. 20 ppm

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