Description

1,2,3,4-Tetrahydronaphthalenesulphonic Acid is a specialized organic sulfonic acid derivative of tetrahydronaphthalene, valued for its strong acidity and utility as a versatile synthetic intermediate. This compound is particularly significant for introducing the sulfonic acid functional group into complex molecular architectures, enabling the creation of surfactants, dyes, and advanced materials. It is primarily sought by R&D chemists and process engineers in the fine chemical, pharmaceutical, and specialty polymer industries for synthesis and catalysis applications.

Application

• Chemical Synthesis Intermediate: A key building block for the production of sulfonated dyes, pigments, and optical brighteners.
• Surfactant & Detergent Precursor: Used in the manufacture of specialized anionic surfactants for industrial and formulation chemistry.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs) requiring sulfonic acid moieties.
• Catalyst & Additive: Functions as an acid catalyst in organic reactions or as an additive in polymer and resin formulations.
• Research & Development: Utilized in academic and industrial labs for methodological studies and novel compound synthesis.
• Electroplating & Metal Treatment: Serves as an additive in plating baths and surface treatment solutions.

Basic Information

Product Name	1,2,3,4-Tetrahydronaphthalenesulphonic Acid
CAS No.	37837-69-7
Molecular Formula	C₁₀H₁₂O₃S
Molecular Weight	212.26 g/mol
Synonyms	Tetrahydronaphthalene-1-sulfonic Acid; Tetralin-1-sulfonic Acid; 1,2,3,4-Tetrahydro-1-naphthalenesulfonic Acid; 1-Tetralinsulfonic Acid; 1,2,3,4-Tetrahydronaphthalene-1-sulphonic Acid; NSC 403120; 1-Sulfotetralin
EINECS	Contact for details

Quality Control

Our 1,2,3,4-Tetrahydronaphthalenesulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency, meeting the specifications required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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