All Photos(1)
Synonym(s):
Sodium hydroxymethanesulfinate hydrate, Hydroxymethanesulfinic acid sodium salt, Rongalit®, Sodium formaldehyde sulfoxylate hydrate
Linear Formula:
HOCH2SO2Na·xH2O
CAS Number:
Molecular Weight:
118.09 (anhydrous basis)
Beilstein:
3630814
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
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grade
CP
availability
available only in Japan
mp
~120 °C (dec.)
SMILES string
O.[Na+].OCS([O-])=O
InChI
1S/CH4O3S.Na.H2O/c2-1-5(3)4;;/h2H,1H2,(H,3,4);;1H2/q;+1;/p-1
InChI key
ZKODLPLYXXUCHB-UHFFFAOYSA-M
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S V Makarov et al.
Archives of biochemistry and biophysics, 367(2), 289-296 (1999-07-09)
Sodium hydroxymethanesulfinate, (HOCH2SO2Na, HMS) is relatively stable in aqueous alkaline environments, but rapidly decomposes in acidic medium to give a variety of products that include sulfur dioxide. A detailed kinetic and mechanistic study of the decomposition of HMS in slightly
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