Description

Ammonium m-[(4-Amino-1-Naphthyl)Azo]Benzenesulphonate is a specialized azo dye intermediate and analytical reagent. This compound is valued for its precise chromophoric structure, which is critical for producing consistent and vibrant colorants. It is primarily required by manufacturers in the dye and pigment industry, as well as by research laboratories for use as a staining agent or chemical standard.

Application

• Key intermediate for the synthesis of azo dyes and pigments, particularly for textiles and inks.
• Used as a staining agent in biological and histological applications.
• Acts as a colorimetric reagent and standard in analytical chemistry.
• Potential component in the formulation of specialty inks for industrial printing.
• Starting material for research into novel photochromic or electrochromic materials.
• Used in the development of sensors and indicators due to its distinct color change properties.

Basic Information

Product Name	Ammonium m-[(4-Amino-1-Naphthyl)Azo]Benzenesulphonate
CAS No.	83006-57-9
Molecular Formula	C₁₆H₁₅N₄O₃S⁻ • NH₄⁺
Molecular Weight	Contact for details
Synonyms	Ammonium 3-[(4-Amino-1-naphthyl)azo]benzenesulfonate; 3-[(4-Amino-1-naphthyl)azo]benzenesulfonic acid ammonium salt; C.I. 37155; Acid Orange 20 ammonium salt; 4-Amino-1-(3-sulfophenyl)azo-naphthalene ammonium salt; Azoic Diazo Component 20; Benzenesulfonic acid, 3-[(4-amino-1-naphthalenyl)azo]-, ammonium salt
EINECS	Contact for details

Quality Control

Our Ammonium m-[(4-Amino-1-Naphthyl)Azo]Benzenesulphonate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics 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 room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Solubility	Soluble in water, slightly soluble in ethanol

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