Molecular properties
- Formula
- Na2O3S2
- Molar mass
- 158.11 g·mol−1
- Exact mass
- 157.9084 Da
- 0
- 0
- 4
- 104.00 Ų
- CAS
- 7772-98-7
- PubChem CID
- 24477
Molecule record
SODIUM THIOSULFATE
Na2O3S2
158.11 g/mol
Interactions
- Polarity
- Often weakly polar or nonpolar unless other structural features dominate.
- Acid-base behavior
- Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
- Intermolecular forces
- Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.
Functional groups
No functional-group assignment has been curated yet.
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 7772-98-7
- CHEBI:132112
- Chlorine Control
- Chlorine Cure
- DTXSID9042417
- Disodium thiosulfate
- E-539
- Hypo
Show all 22 synonyms
- Ins no.539
- Ins-539
- L0IYT1O31N
- RefChem:6498
- Sodium oxide sulfide (Na2S2O3)
- Sodium thiosulfate (Na2S2O3)
- Sodium thiosulfate, anhydrous
- Sodium thiosulphate
- Sodium thiosulphate (Na2S2O3)
- Sodium thiosulphate, anhydrous
- Sodothiol
- Thiosulfuric acid (H2S2O3), disodium salt
- Thiosulfuric acid, disodium salt
- sulfothiorine
Structure identifiers
- Canonical SMILES
- [O-]S(=O)(=S)[O-].[Na+].[Na+]
- Isomeric SMILES
- [O-]S(=O)(=S)[O-].[Na+].[Na+]
- InChI
- InChI=1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
- InChIKey
- AKHNMLFCWUSKQB-UHFFFAOYSA-L
- PubChem CID
- 24477
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for SODIUM THIOSULFATE; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for SODIUM THIOSULFATE; not experimental data.
Sources
Molecule identity
Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.