Methanesulfinic acid

HCID 87251
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Basic information

CAS
17696-73-0
Standard SMILES
CS(=O)O
InChIKey
XNEFVTBPCXGIRX-UHFFFAOYSA-N
Molecular formula
CH4O2S
Average molar mass
80.11 g/mol
Monoisotopic mass
79.99320037

Overview

Methanesulfinic acid is an organosulfinic acid that is methane in which one of the hydrogens has been replaced by a sulfino group. It is a conjugate acid of a methanesulfinate.

Names & identifiers

Preferred name
Methanesulfinic acid
IUPAC
methanesulfinic acid
English name
Methanesulfonic acid
Molecular formula
CH4O2S
Molecular weight
80.11

Names & synonyms

Methanesulfinic acid17696-73-0methane sulfinic acidCHEBI:133897DTXSID50170227MSA acidRefChem:156919DTXCID8092718859-138-2Methanesulfinicacidmethylsulfinic acidmethanesulphinic acid
Show more names
methanesulfinicaciMethanesulfinic acid (6CI,8CI,9CI)
Methanesulfinic acid(6CI,8CI,9CI)sodium,methanesulfinateSCHEMBL42308SCHEMBL491079SCHEMBL6574082SCHEMBL17771931SCHEMBL28767251AKOS030229087

Database identifiers

CAS
17696-73-0
PubChem CID
87251
DTXSID
DTXSID50170227
ChEBI
CHEBI:133897
EC Number
859-138-2
Nikkaji
J132.790I

Properties

Computed structural properties

XLogP
-0.5
Topological polar surface area
56.5 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
3
Rotatable bonds
0
Heavy atoms
4

Experimental & physicochemical properties

SpringerMaterials PropertiesCrystal structure

Physicochemical properties

Boiling point
256.4 · 256.4±23.0 °C(Predicted)
Density
1.539 · 1.539±0.06 g/cm3(Predicted)
pka
3.13 · 3.13±0.10(Predicted)
Symbol(GHS)
5 · GHS05
Signal word
Danger
Hazard statements
314 · H314

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.

Hazard information

Hazard Classes and CategoriesSkin Corr. 1C (100%)

Safety data

Signal word
Danger
Symbol(GHS)
GHS05
Hazard statements
H314
Precautionary statements
P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501

Chemistry & industry

Upstream & downstream products

Suppliers10 total

武汉绿景丰华生物科技有限公司19972070065 · [email protected]
上海前衍生物科技有限公司02781293128 · [email protected]
武汉市承天精细化工有限公司18164098996 · [email protected]
武汉弘德悦欣医药科技有限公司027-83850116 18164090116 · [email protected]
Shaanxi Didu New Materials Co. Ltd+86-86-17392712779 +86-13289823923 · [email protected]

Additional notes

DefinitionChEBI: Methanesulfinic acid is an organosulfinic acid that is methane in which one of the hydrogens has been replaced by a sulfino group. It is a conjugate acid of a methanesulfinate.

Related reactions

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Compound notes

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