P.A.T ProChem PTSC is a chemical marvel known by its chemical name p-Toluenesulfonyl Chloride, distinguished by the CAS Number 98-59-9, and boasting a purity level of 99.0%. This compound caters specifically to industrial markets. P.A.T ProChem PTSC exemplifies excellence with its high purity, positioning itself as a crucial component in various industrial processes. With its precise chemical composition, this product meets the stringent standards of industrial applications, offering reliability and performance across a spectrum of industrial settings.

Chemical Name: p-Toluenesulfonyl Chloride

CAS Number: 98-59-9

Purity (Assay): 99.0 - 99.0 %

Technical Data Sheet

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Leo Coyle

Skilled in food & beverage, paints & coatings, and other industries, I offer customer service and technical guidance to resolve complex queries.

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Erik Espling


30 years experience with plastic resins, inks and coatings. Specializing in TPU, CASE, liquid color dispersions, UV, antistats, and texturing agents.

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Logan York


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Enhanced TDS

Identification & Functionality

Applications & Uses


Physical Form
White crystalline powder
Physical Properties
ValueUnitsTest Method / Conditions
Water Contentmax. 0.10%-
Total Free Acidmax. 0.20%-
Ortho-isomer Contentmax. 0.30%-
Assay Contentmin. 99.00%-
Crystallization Pointmin. 66.90°C-
ValueUnitsTest Method / Conditions
Colormax. 20.00Pt/Co-

Packaging & Availability

Regional Availability
  • Global