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S7026

Sigma-Aldrich

Sodium thiosulfate

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About This Item

Linear Formula:
Na2S2O3
CAS Number:
7772-98-7
Molecular Weight:
158.11
EC Number:
231-867-5
MDL number:
MFCD00003499
UNSPSC Code:
12352300
PubChem Substance ID:
329824575

Assay

98% (NLT)

SMILES string

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

InChI

1S/2Na.H2O3S2/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

AKHNMLFCWUSKQB-UHFFFAOYSA-L

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Application

Used with silver nitrate to produce a silver thiosulfate solution (STS) containing the ethylene inhibitor ion [Ag(S2O3)2]-3.

Other Notes

This product has been replaced by 217263-Sigma-Aldrich | Sodium thiosulfate, ReagentPlus®, 99% | Na2S2O3

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
038K0748
067K0029
106K0178
123K0044
122K0005

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