o-Toluenesulfonic acid
CAS Registry Number®
88-20-0
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CAS Name
o-Toluenesulfonic acidMolecular Formula
C7H8O3SMolecular Mass
172.20Cite this Page
o-Toluenesulfonic acid. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?ref=88-20-0 (retrieved ) (CAS RN: 88-20-0). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
128.8 °CMelting Point (1)
67.5 °C
Source(s)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
Other Names and Identifiers
InChI
InChI=1S/C7H8O3S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H,8,9,10)
InChIKey
InChIKey=LBLYYCQCTBFVLH-UHFFFAOYSA-N
SMILES
S(=O)(=O)(O)C1=C(C)C=CC=C1
Canonical SMILES
O=S(=O)(O)C=1C=CC=CC1C
Other Names for this Substance
- Benzenesulfonic acid, 2-methyl-
- o-Toluenesulfonic acid
- 2-Methylbenzenesulfonic acid
- Toluene-2-sulfonic acid
- o-Methylbenzenesulfonic acid
