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Merck
CN

31459

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
UNSPSC Code:
12352302
PubChem Substance ID:
329753774
EC Number:
231-867-5
MDL number:
MFCD00149186
Assay:
≥99.5%
Form:
crystals

Key Documents

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InChI key

PODWXQQNRWNDGD-UHFFFAOYSA-L

InChI

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

SMILES string

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

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

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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

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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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)
Nuclear magnetic resonance in sodium thiosulfate pentahydrate.
Murty CRK and El Saffar ZM.
Acta Crystallographica, 15(6), 536-538 (1962)
Fingerprint imaging by scanning electrochemical microscopy.
Zhang M and Girault HH.
Electrochemical Communications, 9(7), 1778-1782 (2007)
Brooke Bair et al.
Journal of drugs in dermatology : JDD, 10(9), 1042-1044 (2011-11-05)
Calcinosis cutis is a term used to describe a group of disorders which result in calcium deposits in the skin. These disorders can be separated based on etiology. Sodium thiosulfate has been used to systemically treat calciphylaxis with little to
Melani Sooriyaarachchi et al.
Metallomics : integrated biometal science, 5(3), 197-207 (2013-02-28)
Cis-Platin (CP) is a remarkably effective Pt-based anticancer drug, but it also exhibits severe toxic side-effects, including nephrotoxicity and ototoxicity. Previous studies conducted with mammalian model organisms have clearly demonstrated that the intravenous administration of N-acetyl-L-cysteine (NAC) or sodium thiosulfate
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