CHEBI:29253 - dithionous acid

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ChEBI Name dithionous acid
ChEBI ID CHEBI:29253
Stars This entity has been manually annotated by the ChEBI Team.
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Formula H2O4S2
Net Charge 0
Average Mass 130.14548
Monoisotopic Mass 129.939
InChI InChI=1S/H2O4S2/c1-5(2)6(3)4/h(H,1,2)(H,3,4)
InChIKey GRWZHXKQBITJKP-UHFFFAOYSA-N
SMILES OS(=O)S(O)=O
Roles Classification
Chemical Role(s): inorganic acid
A Bronsted 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 (Bronsted base).
(via oxoacid )
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ChEBI Ontology
Outgoing dithionous acid (CHEBI:29253) is a sulfur oxoacid (CHEBI:33402)
dithionous acid (CHEBI:29253) is conjugate acid of dithionite(1−) (CHEBI:33487)
Incoming dithionite(1−) (CHEBI:33487) is conjugate base of dithionous acid (CHEBI:29253)
IUPAC Names
1,4-dihydrido-2,3-dioxido-1,4-dioxy-2,3-disulfy-[4]catena
bis(hydroxidooxidosulfur)(SS)
dithionous acid
Synonyms Sources
[(HO)(O)SS(O)(OH)] IUPAC
dithionige Säure ChEBI
H2S2O4 IUPAC
hypodisulfurous acid IUPAC
Registry Number Type Source
217639 Gmelin Registry Number Gmelin
Last Modified
05 January 2008