CHEBI:29208 - dithionic acid

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ChEBI Name dithionic acid
ChEBI ID CHEBI:29208
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula H2O6S2
Net Charge 0
Average Mass 162.14428
Monoisotopic Mass 161.929
InChI InChI=1S/H2O6S2/c1-7(2,3)8(4,5)6/h(H,1,2,3)(H,4,5,6)
InChIKey RMGVZKRVHHSUIM-UHFFFAOYSA-N
SMILES [H]OS(=O)(=O)S(=O)(=O)O[H]
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 )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing dithionic acid (CHEBI:29208) is a sulfur oxoacid (CHEBI:33402)
dithionic acid (CHEBI:29208) is conjugate acid of dithionate(1−) (CHEBI:33486)
Incoming dithionate(1−) (CHEBI:33486) is conjugate base of dithionic acid (CHEBI:29208)
IUPAC Names
1,4-dihydrido-2,2,3,3-tetraoxido-1,4-dioxy-2,3-disulfy-[4]catena
bis(hydroxidodioxidosulfur)(SS)
dithionic acid
Synonyms Sources
[(HO)(O)2SS(O)2(OH)] IUPAC
H2S2O6 IUPAC
hypodisulfuric acid IUPAC
Registry Numbers Types Sources
14970-71-9 CAS Registry Number ChemIDplus
82514 Gmelin Registry Number Gmelin
Last Modified
13 December 2005