Dithionite

HCID 1086CAS 14844-07-6
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Basic information

Standard SMILES
O=S([O-])S(=O)[O-]
InChIKey
GRWZHXKQBITJKP-UHFFFAOYSA-L
Molecular formula
O4S2-2
Average molar mass
128.13 g/mol
Monoisotopic mass
127.92489764

Overview

Dithionite(2-) is a sulfur oxoanion and a sulfur oxide. It is a conjugate base of a dithionite(1-).

Names & identifiers

Preferred name
Dithionite
IUPAC
Dithionite
English name
Dithionite
Molecular formula
O4S2(-2)
Molecular weight
128.12

Names & synonyms

dithioniteHydrosulfiteDithionite dianion14844-07-6Dithionous acid, ion(2-)Dithionite (S2O42-)17Q56Y5LKHDTXSID40163986RefChem:135205DTXCID5086477Hyposulfitedithionite(2-)
Show more names
D004227Dithionite, sodium
hydrodisulfiteDithionitUNII-17Q56Y5LKHSCHEMBL14008619CHEBI:42160bis(dioxidosulfate)(S--S)(2-)GRWZHXKQBITJKP-UHFFFAOYSA-L[O2SSO2](2-)

Database identifiers

CAS
14844-07-6
PubChem CID
1086
DTXSID
DTXSID40163986
ChEBI
CHEBI:42160
UNII
17Q56Y5LKH

Properties

Computed structural properties

XLogP
-2
Topological polar surface area
119 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
6
Rotatable bonds
0
Heavy atoms
6

Physicochemical properties

FDA UNII
17 Q56Y5LKH · 17Q56Y5LKH

Chemistry & industry

Additional notes

DefinitionA salt of dithionous acid. Dithionites are powerful reducing agents.

Related reactions

303 records
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Linked notes

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