Sodium thiosulfate
CAS Registry Number®
7772-98-7
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CAS Name
Sodium thiosulfateMolecular Formula
H2O3S2.2NaCite this Page
Sodium thiosulfate. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?ref=7772-98-7 (retrieved ) (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 °CDensity (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
Deleted or Replaced CAS Registry Numbers
13773-27-8, 220945-47-1, 1374442-73-5, 2554533-79-6, 2585669-88-9
