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31459

Sigma-Aldrich

Sodium thiosulfate pentahydrate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

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About This Item

Linear Formula:
Na2S2O3 · 5H2O
CAS Number:
10102-17-7
Molecular Weight:
248.18
EC Number:
231-867-5
MDL number:
MFCD00149186
UNSPSC Code:
12352302
PubChem Substance ID:
329753774
form:
crystals

grade

ACS reagent
puriss. p.a.

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

Assay

≥99.5%

form

crystals

impurities

≤0.002% total nitrogen (N)

pH

6.0-7.5 (25 °C, 5%)
6.0-8.4 (20 °C, 10%)

anion traces

chloride (Cl-): ≤100 mg/kg
sulfate, sulfite (as SO42-): ≤1000 mg/kg
sulfide (S2-): ≤1 mg/kg

cation traces

Ca: ≤20 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤10 mg/kg
Mg: ≤10 mg/kg
Pb: ≤5 mg/kg

SMILES string

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

InChI

1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2

InChI key

PODWXQQNRWNDGD-UHFFFAOYSA-L

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Application

Sodium thiosulfate pentahydrate may be used in the silver staining process of the protein fingerprinted sample in a study.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Nuclear magnetic resonance in sodium thiosulfate pentahydrate.
Murty CRK and El Saffar ZM.
Acta Crystallographica, 15(6), 536-538 (1962)
Sodium thiosulfate pentahydrate: a redetermination by neutron diffraction.
Lisensky GC and Levy HA.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 34(6), 1975-1977 (1978)
Fingerprint imaging by scanning electrochemical microscopy.
Zhang M and Girault HH.
Electrochemical Communications, 9(7), 1778-1782 (2007)
Michael C Reade et al.
Emergency medicine Australasia : EMA, 24(3), 225-238 (2012-06-08)
Cyanide poisoning is uncommon, but generates interest because of the presumed utility of an antidote immediately available in those areas with a high risk of cyanide exposure. As part of its regular review of guidelines, the Australian Resuscitation Council conducted
Steven B Dethloff
Nephrology nursing journal : journal of the American Nephrology Nurses' Association, 39(4), 323-325 (2012-10-16)
Though CUA therapy with IP sodium thiosulfate represents an off-label usage of the drug, reports of its successful use are on the rise. It continues to be successfully administered both IP and IV, and in adult and pediatric populations. The
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