Description

Dihydroxy-G-Salt is a specialized organic chemical intermediate primarily used in the synthesis of dyes and pigments. Its significance lies in its role as a key coupling component for producing azo dyes with specific color properties and lightfastness. This compound is essential for manufacturers in the dyestuff, textile, and specialty chemical industries seeking to develop vibrant and stable colorants.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles and inks.
• Coupling agent for producing high-performance colorants with enhanced light and wash fastness.
• Key raw material in manufacturing specialty dyes for leather, paper, and plastics.
• Used in research and development of novel chromophores for advanced optical applications.
• Intermediate for functional dyes used in non-textile applications such as lasers and sensors.

Basic Information

Product Name	Dihydroxy-G-Salt
CAS No.	6357-93-3
Molecular Formula	C10H8N2O5S
Molecular Weight	268.25 g/mol
Synonyms	6-Amino-4-hydroxy-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-; 6-Amino-4-hydroxynaphthalene-2-sulfonic acid; G Salt, Dihydroxy; 4-Hydroxy-6-aminonaphthalene-2-sulfonic acid; 6-Amino-4-naphthol-2-sulfonic acid; Coupling Component G
EINECS	228-766-4

Quality Control

Our Dihydroxy-G-Salt is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee consistency and 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 oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light gray powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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