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Home/Compounds/CAS 7772-98-7
Formula Na2O3S2MW 158.11Research-use catalog entryCOA/SDS by request

Sodium Thiosulfate

CAS Number: 7772-98-7

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Loading RDKit molecule structure...
InChIKey: AKHNMLFCWUSKQB-UHFFFAOYSA-LNa2O3S2 | MW 158.11

Chemical Absolute Identifiers

CAS Number

7772-98-7

PubChem CID

24477

Molecular Formula

Na2O3S2

Molecular Weight

158.11 g/mol

Exact Mass

157.908425

InChIKey

AKHNMLFCWUSKQB-UHFFFAOYSA-L

IUPAC Name

disodium;dioxido-oxo-sulfanylidene-lambda6-sulfane

SMILES String

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

Physical Properties

Melting Point

48.5 °C

Show more physical data

Refractive Index

1.489

Vapor Pressure

Estimated value, unit not specified

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Sodium Thiosulfate (CAS 7772-98-7) is listed in the Advanced Chemicals portfolio, with molecular formula Na2O3S2 and molecular weight 158. 11 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Synthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity.

Disposal

  • Dispose of remaining and non-recyclable solutions to a licensed company.
  • Contact a professional organization with a waste disposal license to handle this substance.
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Accidental Release

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  • Avoid dust generation.

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Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

Sodium Thiosulfate

Names & Synonyms

Sodium thiosulphateDisodium thiosulfateSodothiolHypoChlorine Control
Show all synonyms
Chlorine CureSodium thiosulfate, anhydrousThiosulfuric acid, disodium saltSodium thiosulfate (Na2S2O3)Sodium thiosulphate (Na2S2O3)Sodium oxide sulfide (Na2S2O3)Thiosulfuric acid (H2S2O3), disodium saltIns no.539Sodium thiosulphate, anhydrousE-539sulfothiorineCyanide Antidote PackageThiosulfate, Sodium, PentahydrateSodium Nitrite and Sodium Thiosulfate
External Identifiers
EC NUMBER: 231-867-5DSSTOX SUBSTANCE ID: DTXSID9042417CHEMBL ID: CHEMBL2096650CHEMBL ID: CHEMBL3753202CHEBI ID: CHEBI:132112UNII: L0IYT1O31NHMDB ID: HMDB0303549ICSC NUMBER: 1138NCI THESAURUS CODE: C1230NCI THESAURUS CODE: C84170RXCUI: 1807514RXCUI: 36726Ins-539
Experimental Spectrum References
ATR-IR SpectraFTIR SpectraRaman Spectra
Literature & Patent References
DOI 10.1021/acs.jmedchem.7b01653Progress in the Development of Preventative Drugs for Cisplatin-Induced Hearing Loss.PMID 29361217Progress in the Development of Preventative Drugs for Cisplatin-Induced Hearing Loss.DOI 10.1016/j.drudis.2016.02.015DILIrank: the largest reference drug list ranked by the risk for developing drug-induced liver injury in humans.PMID 26948801DILIrank: the largest reference drug list ranked by the risk for developing drug-induced liver injury in humans.DOI 10.1039/C5MD00275CAntibacterial activities of polythionates enhanced by carbonates

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

Potassium methyl sulfateCAS 562-54-9
Sodium CarbonateCAS 497-19-8
sodium formateCAS 141-53-7
Trisodium PhosphateCAS 7601-54-9
Sodium hypophosphite monohydrateCAS 10039-56-2

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 7772-98-7

What are the key identifiers for Sodium Thiosulfate (CAS 7772-98-7)?

Sodium Thiosulfate is identified by CAS 7772-98-7, with molecular formula Na2O3S2, molecular weight 158.11, InChIKey AKHNMLFCWUSKQB-UHFFFAOYSA-L.

Can I request a COA for CAS 7772-98-7?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Sodium Thiosulfate?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 7772-98-7 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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