Sodium thiosulfate

CAS Registry Number®

7772-98-7

CAS Name

Sodium thiosulfate

Molecular Formula

H2O3S2.2Na

Cite this Page

Sodium thiosulfate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7772-98-7 (retrieved 2024-11-22) (CAS RN: 7772-98-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    48 °C

  • Density (2)

    1.667 g/cm³

Source(s)

  • (1) Drugs - Synonyms and Properties data were obtained from Ashgate Publishing Co. (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)

InChIKey

InChIKey=UWUDCDBGGWPQHS-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Thiosulfuric acid (H2S2O3), sodium salt (1:2)
  • Thiosulfuric acid, disodium salt
  • Thiosulfuric acid (H2S2O3), disodium salt
  • Disodium thiosulfate
  • Hypo

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Deleted or Replaced CAS Registry Numbers

13773-27-8, 220945-47-1, 1374442-73-5, 2554533-79-6, 2585669-88-9

CAS INSIGHTSTM
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