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:
Molecular Weight:
248.18
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
231-867-5
MDL number:
Assay:
≥99.5%
Form:
crystals
agency
USP/NF, reag. ISO, reag. Ph. Eur.
grade
ACS reagent, puriss. p.a.
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
Application
Sodium thiosulfate pentahydrate may be used in the silver staining process of the protein fingerprinted sample in a study.
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Fingerprint imaging by scanning electrochemical microscopy.
Zhang M and Girault HH.
Electrochemical Communications, 9(7), 1778-1782 (2007)
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)