Methanesulfonic acid

Modify Date: 2026-07-15 18:32:23

Methanesulfonic acid Structure
Methanesulfonic acid structure
Common Name Methanesulfonic acid
CAS Number 17696-73-0 Molecular Weight 80.10630
Density 1.539g/cm3 Boiling Point 256.4ºC at 760mmHg
Molecular Formula CH4O2S Melting Point N/A
MSDS N/A Flash Point 108.9ºC

Summary: Methanesulfonic acid (CAS: 17696-73-0, molecular formula: CH4O2S, molecular weight: 80.10630) is used for research purposes only.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name methanesulfinic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.539g/cm3
Boiling Point 256.4ºC at 760mmHg
Molecular Formula CH4O2S
Molecular Weight 80.10630
Flash Point 108.9ºC
Exact Mass 79.99320
PSA 56.51000
LogP 0.70360
InChIKey XNEFVTBPCXGIRX-UHFFFAOYSA-N
SMILES CS(=O)O

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  0

DownStream  5

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Methylsulfinicacid

 Methanesulfonic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular formula of methanesulfinic acid?
A: Molecular formula of methanesulfinic acid is CH4O2S.
Q: What is the CAS number of methanesulfinic acid?
A: CAS number of methanesulfinic acid is 17696-73-0.
Q: What is the polar surface area (PSA) of methanesulfinic acid?
A: Polar surface area (PSA) of methanesulfinic acid is 56.51000.
Q: What is the SMILES notation of methanesulfinic acid?
A: SMILES notation of methanesulfinic acid is CS(=O)O.
Q: What is the molecular weight of methanesulfinic acid?
A: Molecular weight of methanesulfinic acid is 80.10630.
Q: What are the downstream products of methanesulfinic acid?
A: Related downstream products(CAS) of methanesulfinic acid: 23265-32-9;2058-49-3;5395-89-1;6330-26-3;38452-40-3.
Q: What is the boiling point of methanesulfinic acid?
A: Boiling point of methanesulfinic acid is 256.4ºC at 760mmHg.
Q: What is the InChIKey of methanesulfinic acid?
A: InChIKey of methanesulfinic acid is XNEFVTBPCXGIRX-UHFFFAOYSA-N.
Q: What English synonyms does methanesulfinic acid have?
A: English synonyms of methanesulfinic acid: Methylsulfinicacid.
Q: What is the English name of methanesulfinic acid?
A: The English name of methanesulfinic acid is methanesulfinic acid.

 Methanesulfonic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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