Sodium dithionite

CAS Registry Number®

7775-14-6
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CAS Name

Sodium dithionite

Molecular Formula

H2O4S2.2Na

Cite this Page

Sodium dithionite.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7775-14-6 (retrieved 2021-10-24) (CAS RN: 7775-14-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    166-168 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)

InChIKey

InChIKey=PEXMEGQPKTWBOJ-UHFFFAOYSA-N

SMILES

S(S(=O)O)(=O)O.[Na]

Canonical SMILES

[Na].O=S(O)S(=O)O

Other Names for this Substance

  • Dithionous acid, sodium salt (1:2)
  • Dithionous acid, disodium salt
  • Sodium dithionite
  • Vatrolite
  • Hydros

Deleted or Replaced CAS Registry Numbers

1340-77-8