Ammonium metabisulfite

CAS Registry Number®

32736-64-4

CAS Name

Ammonium metabisulfite

Molecular Formula

H3N.1/2H2O5S2

Cite this Page

Ammonium metabisulfite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=32736-64-4 (retrieved 2024-11-22) (CAS RN: 32736-64-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/2H3N.H2O5S2/c;;1-6(2)7(3,4)5/h2*1H3;(H,1,2)(H,3,4,5)

InChIKey

InChIKey=PCAXGMRPPOMODZ-UHFFFAOYSA-N

SMILES

S(S(=O)O)(=O)(=O)O.N

Canonical SMILES

O=S(O)S(=O)(=O)O.N

Other Names for this Substance

  • Disulfurous acid, ammonium salt (1:2)
  • Ammonium pyrosulfite
  • Pyrosulfurous acid, diammonium salt
  • Disulfurous acid, diammonium salt
  • Ammonium pyrosulfite ((NH4)2S2O5)

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Deleted or Replaced CAS Registry Numbers

13817-05-5