Description

4-(Phenylazo)-7-Sulphonatonaphthalene-1-Diazonium is a specialized diazonium salt derivative of an azo dye intermediate. This compound is valued for its role as a key precursor in the synthesis of high-performance dyes and pigments, offering precise reactivity for coupling reactions. It is primarily required by manufacturers in the dyestuff, textile, and specialty chemical industries for producing vivid and stable colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a crucial coupling component in the synthesis of acid, direct, and reactive dyes for textiles and leather.
• Specialty Colorant Production: Used in manufacturing high-value pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Chemical Synthesis: Employed in academic and industrial R&D labs for developing novel chromophores and functional materials.
• Photographic and Imaging Chemicals: Potential application in light-sensitive compositions and imaging technologies due to its diazonium group.
• Analytical Reagent: Can be used as a reagent in specific colorimetric detection methods and analytical procedures.

Basic Information

Product Name	4-(Phenylazo)-7-Sulphonatonaphthalene-1-Diazonium
CAS No.	66375-40-4
Molecular Formula	C₁₆H₁₁N₄O₃S⁻ (typically as a salt)
Molecular Weight	339.35 g/mol (Free acid form)
Synonyms	7-Sulfo-4-(phenylazo)-1-naphthalenediazonium; 4-(Phenylazo)-1-diazo-7-sulfonaphthalene; 1-Diazo-4-(phenylazo)-7-naphthalenesulfonic acid; Azoic Diazo Component; Fast Color Base variant; C.I. Azoic Diazo Component; Diazonium salt of 4-Phenylazo-7-sulfonaphthalene
EINECS	Contact for details

Quality Control

Our production of 4-(Phenylazo)-7-Sulphonatonaphthalene-1-Diazonium adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for industrial synthesis. Every lot is analyzed to confirm identity, purity, and reactivity profile. Certificates of Analysis (COA) documenting key specifications are provided 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 area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture. Isolate from incompatible materials.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 2.0%
Solubility	Soluble in water, alkaline solutions
Heavy Metals	Max. 20 ppm

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