Description

2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate and analytical reagent. This compound is valued for its strong chromophoric properties and ability to form stable complexes with various metal ions. It is primarily required by manufacturers in the dye and pigment industry, as well as by research laboratories for use as a specialized reagent in colorimetric analysis and histochemical staining.

Application

• Dye and Pigment Manufacturing: A key intermediate for the synthesis of acid dyes, direct dyes, and metal-complex dyes used in textiles, leather, and paper.
• Analytical Chemistry: Employed as a colorimetric reagent for the detection and quantification of specific metal ions (e.g., aluminum, magnesium) in analytical procedures.
• Biological Staining: Used in histology and microscopy as a specialized stain for tissue components in biological research.
• Chemical Research: Serves as a building block or a model compound in organic synthesis and photochemical studies.
• Ink Formulation: A potential component in the formulation of specialized inks requiring specific color properties and stability.

Basic Information

Product Name	2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid, Sodium Salt
CAS No.	83006-38-6
Molecular Formula	C17H12N3NaO6S
Molecular Weight	409.35 g/mol
Synonyms	Benzoic acid, 2-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-, monosodium salt; C.I. 18050; Sodium 2-[(6-amino-1-hydroxy-3-sulfo-2-naphthyl)azo]benzoate; 6-Amino-1-hydroxy-2-(2-carboxyphenyl)azo-3-naphthalenesulfonic acid sodium salt; Acid Blue 92 intermediate; Aluminon related compound; Aurintricarboxylic acid analog.
EINECS	Contact for details

Quality Control

Our 2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid, Sodium Salt is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, red solution

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