Description

S-β-n-(1-Methylnaphthyl)Aminoethylthiosulfuric Acid is a specialized organic sulfur compound with a unique naphthylamine-based structure. This compound matters as a key intermediate in the synthesis of advanced dyes, pigments, and functional chemicals where its specific aromatic amine and thiosulfate groups impart valuable properties. It is primarily needed by manufacturers in the fine chemical, dye and pigment, and pharmaceutical intermediate sectors for research and production.

Application

• As a critical intermediate in the synthesis of high-performance dyes and pigments, particularly for textiles and specialty coatings.
• In the research and development of pharmaceutical intermediates and active ingredients.
• As a building block for functional polymers and specialty surfactants.
• In the production of photographic chemicals and light-sensitive materials.
• For use in analytical chemistry as a reagent or standard.
• In the synthesis of corrosion inhibitors and other performance additives for industrial applications.

Basic Information

Product Name	S-β-n-(1-Methylnaphthyl)Aminoethylthiosulfuric Acid
CAS No.	71354-19-3
Molecular Formula	C₁₃H₁₅NO₃S₂
Molecular Weight	297.39 g/mol
Synonyms	2-[(1-Methylnaphthalen-2-yl)amino]ethanesulfonothioic acid; 1-Methyl-2-[(2-sulfothioyl)ethylamino]naphthalene; S-[2-[(1-Methyl-2-naphthyl)amino]ethyl] thiosulfuric acid; Aminoethylthiosulfuric acid derivative; N-(1-Methyl-2-naphthyl)-2-aminoethanethiosulfuric acid S-ester; Thiosulfuric acid S-[2-[(1-methyl-2-naphthalenyl)amino]ethyl] ester
EINECS	Contact for details

Quality Control

Our S-β-n-(1-Methylnaphthyl)Aminoethylthiosulfuric Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere when appropriate. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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