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Product Information

Product Name
para-Toluenesulfonic acid monohydrate
Brand Name
Chem Impex
Product Number
30097
CAS
6192-52-5
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
521998
IUPAC Name
4-methylbenzenesulfonic acid;hydrate
InChI Key
KJIFKLIQANRMOU-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)S(=O)(=O)O.O

Application

para-Toluenesulfonic acid monohydrate is widely utilized in research focused on:

Organic Synthesis: This compound serves as an effective acid catalyst in various organic reactions, enhancing the efficiency of synthesizing complex molecules, particularly in pharmaceuticals.

Polymer Chemistry: It is commonly used in the production of polymers, such as polyurethanes, where it acts as a catalyst to facilitate the reaction between isocyanates and polyols, improving product quality.

pH Adjustment: In laboratory settings, it is employed to adjust the pH of solutions, ensuring optimal conditions for reactions or experiments, which is crucial in fields like biochemistry.

Surface Modification: This chemical is used to modify surfaces in materials science, enhancing adhesion properties in coatings and adhesives, which is vital for industries like automotive and construction.

Analytical Chemistry: It plays a role in various analytical methods, including chromatography, where it helps in the separation and analysis of compounds, making it essential for quality control in manufacturing processes.

References Data Source From Pubchem

Hydrazone ligated–vanadium(V) complex: catalytic oxidative bromination of organic substrates promoted by Brønsted acid or Lewis acid

Publication Name: Discover Chemistry
Publication Date: 2026-02-26
DOI: 10.1007/s44371-026-00557-0

Alkyl Alcohol Chain-length Mediated Steric Hindrance at Support Surface in Heterogeneous α-Diimine Ni Catalysts for Modulating Ethylene Polymerization

Publication Name: Chinese Journal of Polymer Science
Publication Date: 2026-01-16
DOI: 10.1007/s10118-025-3501-9

Synthesis of discrete oligoethylenes towards chemically recyclable polyolefins

Publication Name: Nature Synthesis
Publication Date: 2026-01-02
DOI: 10.1038/s44160-025-00955-9

Simultaneous lignocellulose fractionation and direct lignin nanoparticles formation of bamboo with p-toluenesulfonic acid/hydrogen peroxide pretreatment

Publication Name: Wood Science and Technology
Publication Date: 2026-01
DOI: 10.1007/s00226-025-01739-2