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Sodium Thiosulfate

Sodium Thiosulfate

CAS Number: 7772-98-7

Molecular Formula: Na2O3S2

About Sodium Thiosulfate

Sodium Thiosulfate is an inorganic salt used in water treatment, photography, and medical antidotes. It acts as a reducing agent, neutralizing chlorine and cyanide compounds in industrial and environmental applications. Also referred to as Thiosulfuric acid disodium salt and Hypo by supplier and manufacturer, it is use...

Synonyms

  • pentahydrate of sodium thiosulfate
  • sodium thiosulfate
  • sodium thiosulfate (USAN)
  • sodium thiosulfate anhydrous
  • sodium thiosulfate pentahydrate
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Sodium Thiosulfate Specifications

CAS Number
7772-98-7
Molecular Formula
Na2O3S2
IUPAC Name
disodium;dioxido-oxo-sulfanylidene-λ6-sulfane
Canonical SMILES
[O-]S(=O)(=S)[O-].[Na+].[Na+]
InChI Key
AKHNMLFCWUSKQB-UHFFFAOYSA-L
InChI
1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
PubChem CID
24477

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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