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InChI=1S/CH4O/c1-2/h2H,1H3
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ChEBI
> Main
CHEBI:48854 - sulfurous acid
Main
ChEBI Ontology
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ChEBI Name
sulfurous acid
ChEBI ID
CHEBI:48854
Stars
This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs
CHEBI:9344, CHEBI:26837
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Formula
H2O3S
Net Charge
0
Average Mass
82.08008
Monoisotopic Mass
81.97247
InChI
InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3)
InChIKey
LSNNMFCWUKXFEE-UHFFFAOYSA-N
SMILES
OS(O)=O
Roles Classification
Chemical Role
(s):
inorganic acid
A Br
o
nsted acid derived from one or more inorganic compounds. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water.
(via
chalcogen oxoacid
)
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Br
o
nsted base).
(via
oxoacid
)
View more via ChEBI Ontology
ChEBI Ontology
Outgoing
sulfurous acid (
CHEBI:48854
)
is a
sulfur oxoacid (
CHEBI:33402
)
sulfurous acid (
CHEBI:48854
)
is conjugate acid of
hydrogensulfite (
CHEBI:17137
)
sulfurous acid (
CHEBI:48854
)
is tautomer of
sulfonic acid (
CHEBI:29214
)
Incoming
hydrogensulfite (
CHEBI:17137
)
is conjugate base of
sulfurous acid (
CHEBI:48854
)
sulfino group (
CHEBI:48855
)
is substituent group from
sulfurous acid (
CHEBI:48854
)
sulfonic acid (
CHEBI:29214
)
is tautomer of
sulfurous acid (
CHEBI:48854
)
IUPAC Names
dihydrogen trioxosulfate
dihydroxidooxidosulfur
sulfurous acid
trioxosulfuric acid
Synonyms
Sources
[SO(OH)
2
]
IUPAC
acide sulfureux
ChEBI
ácido sulfuroso
ChEBI
H
2
SO
3
IUPAC
S(O)(OH)
2
IUPAC
schweflige Säure
ChemIDplus
Sulfite
KEGG COMPOUND
Sulfurous acid
KEGG COMPOUND
sulphurous acid
ChemIDplus
Manual Xrefs
Databases
C00019662
KNApSAcK
C00094
KEGG COMPOUND
c0348
UM-BBD
SO3
PDBeChem
View more database links
Registry Numbers
Types
Sources
1458
Gmelin Registry Number
Gmelin
7782-99-2
CAS Registry Number
ChemIDplus
Last Modified
28 July 2014