Description

2-Amino-1-Naphthylhydrogensulphate is a key organic intermediate and a derivative of 1-naphthylamine. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly azo dyes and pigments. It is essential for manufacturers and R&D laboratories in the chemical, dye, and pharmaceutical industries seeking reliable, high-purity intermediates for specialized synthesis.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles, inks, and plastics.
• Key starting material or reagent in pharmaceutical research and fine chemical synthesis.
• Used in the production of specialty chemicals and functional materials.
• Acts as a precursor in analytical chemistry for reagent and indicator preparation.
• Employed in research and development for novel organic compound synthesis.

Basic Information

Product Name	2-Amino-1-Naphthylhydrogensulphate
CAS No.	605-92-5
Molecular Formula	C₁₀H₉NO₄S
Molecular Weight	239.25 g/mol
Synonyms	1-Naphthylamine-2-sulfonic Acid; 2-Amino-1-naphthalenesulfonic Acid; 1-Amino-2-naphthalenesulfonic Acid; 2-Naphthylamine-1-sulfonic Acid; 1,2-Naphthylaminesulfonic Acid; 2-Amino-1-naphthalenesulphonic Acid; 1-Naphthylamine-2-sulphonic Acid; 2-Amino-1-naphthalenesulphate
EINECS	210-087-5

Quality Control

Our 2-Amino-1-Naphthylhydrogensulphate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with each shipment to guarantee it meets your specific application requirements.

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 nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Off-white to light brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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