Description

2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid is a specialized azo dye intermediate known for its distinct chromophoric structure, which is critical for producing vivid and stable colorants. This compound matters for its role as a key precursor in the synthesis of high-performance dyes and pigments, offering excellent lightfastness and color strength. It is primarily needed by manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced coloring agents for demanding applications.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloration.
• Key component in manufacturing high-performance inks for packaging and printing applications.
• Used in the production of specialty colorants for plastics and polymers.
• Potential precursor for biological staining agents and diagnostic reagents in life sciences.
• Research and development of novel functional dyes for optical and electronic applications.
• Formulation of industrial colorants for coatings and construction materials.

Basic Information

Item	Details
Product Name	2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid
CAS No.	68133-35-7
Molecular Formula	C17H13N3O6S
Molecular Weight	387.37 g/mol
Synonyms	Benzoic acid, 2-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-; C.I. 37020; 6-Amino-1-hydroxy-3-sulfo-2-naphthalene azo benzoic acid; 2-(6-Amino-1-hydroxy-3-sulfo-2-naphthylazo)benzoic acid; Azo dye intermediate 68133-35-7; 2-[(6-Amino-1-hydroxy-3-sulpho-2-naphthyl)azo]benzoic acid; 2-[(6-Amino-1-hydroxy-3-sulfo-2-naphthyl)azo]benzoic acid
EINECS	Contact for details

Quality Control

Our 2-[(6-Amino-1-Hydroxy-3-Sulpho-2-Naphthyl)Azo]Benzoic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. All products undergo rigorous quality testing, including chromatographic and spectroscopic analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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). Keep away from strong acids and organic solvents. Due to its light-sensitive nature, containers should be opaque or stored in darkness to prevent degradation.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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