Description

Sodium 4-Amino-3-Hydroxynaphthalene-1-Sulphonate is a key aromatic sulfonate intermediate, valued for its reactive amino and hydroxyl functional groups. This compound is essential for synthesizing high-value dyes, pigments, and specialty chemicals where precise molecular architecture is required. It is primarily sought by manufacturers in the dye and pigment, pharmaceutical, and fine chemical industries for its role in creating colorants and complex organic molecules.

Application

• Dye and Pigment Intermediate: A crucial building block for the synthesis of azo dyes, acid dyes, and reactive dyes, providing color fastness and specific hue properties.
• Pharmaceutical Synthesis: Used as an intermediate in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Serves as a versatile starting material or reagent in organic synthesis and catalysis research.
• Textile Chemicals: Employed in the manufacture of specialty chemicals used for textile treatment and functional finishing.
• Photographic Chemicals: Can be utilized in the synthesis of certain photographic developers and sensitizers.
• Analytical Reagent: Acts as a reagent or standard in specific analytical chemistry methods and assays.

Basic Information

Product Name	Sodium 4-Amino-3-Hydroxynaphthalene-1-Sulphonate
CAS No.	5959-58-0
Molecular Formula	C10H8NNaO4S
Molecular Weight	261.23 g/mol
Synonyms	4-Amino-3-hydroxy-1-naphthalenesulfonic acid sodium salt; 3-Hydroxy-4-amino-1-naphthalenesulfonic acid sodium salt; 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-, monosodium salt; Sodium 4-amino-3-hydroxynaphthalene-1-sulfonate; 4-Amino-3-hydroxynaphthalene-1-sulfonic acid sodium salt; 3-Hydroxy-4-aminonaphthalene-1-sulfonate sodium salt
EINECS	227-748-5

Quality Control

Our Sodium 4-Amino-3-Hydroxynaphthalene-1-Sulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research applications. A Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment.

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 tightly sealed after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals	< 20 ppm

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