Description

Benzenesulfonic Acid, 5-Amino-2-Chloro-, Diazotized, Coupled With 2-Amino-4-Methylphenol, Diazotized, Coupled With 2-Naphthalenol is a complex, high-purity azo dye intermediate essential for producing vivid and stable colorants. Its precise molecular structure is critical for achieving specific hue, lightfastness, and chemical resistance properties in the final dye product. This compound is primarily required by manufacturers in the dye and pigment industry, as well as by research institutions developing advanced colorimetric sensors and specialty inks.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-performance red, brown, and black azo dyes for textiles, leather, and plastics.
• Specialty Ink Formulation: Used in the production of inks for security printing, packaging, and high-resolution digital printing where color consistency is paramount.
• Research & Development: Employed in academic and industrial R&D labs for developing novel chromophores, functional dyes, and colorimetric indicators.
• Pigment Manufacturing: A crucial precursor in the manufacture of organic pigments used in paints, coatings, and masterbatches.
• Analytical Chemistry: Can be utilized as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Item	Details
Product Name	Benzenesulfonic Acid, 5-Amino-2-Chloro-, Diazotized, Coupled With 2-Amino-4-Methylphenol, Diazotized, Coupled With 2-Naphthalenol
CAS No.	90218-19-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	5-Amino-2-chlorobenzenesulfonic acid, diazotized, coupled with 2-amino-4-methylphenol, diazotized, coupled with 2-naphthol; C.I. Azoic Coupling Component; Azo dye intermediate derived from 2-amino-4-methylphenol and 2-naphthalenol; Diazonium salt coupling product; Benzenesulfonic acid derivative azo compound; (2-Amino-4-methylphenyl) (hydroxy)naphthyl diazenyl benzenesulfonate derivative; Technical grade azo intermediate.
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. Every lot is analyzed using modern chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging until use.

Specification

Item	Specification
Appearance	Colored Powder or Solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Heavy Metals	Max. 20 ppm
Residual Solvents	Complies with ICH guidelines

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