sodium metabisulfite

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IUPAC Name :disodium oxidosulfanesulfonate oxide
InChI :InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Std.InChI: InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChIKey :HRZFUMHJMZEROT-NUQVWONBAW
Std.InChIKey: HRZFUMHJMZEROT-UHFFFAOYSA-L
SMILES :[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
MDL: MFCD00167602