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Merck
CN

V900880

Sodium thiosulfate pentahydrate

Vetec, reagent grade

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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:
98.5-101.5% (iodometric)
Grade:
reagent grade
Form:
crystalline powder, crystals, pellets
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grade

reagent grade

product line

Vetec

assay

98.5-101.5% (iodometric)

form

crystalline powder, crystals, pellets

pH

6-7.5 (25 °C, 5% in water)

anion traces

sulfate (SO42-): ≤0.1%

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

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany


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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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