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S8503

Sigma-Aldrich

Sodium thiosulfate pentahydrate

ReagentPlus®, ≥99.5%

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Linear Formula:
Na2S2O3 · 5H2O
CAS Number:
Molecular Weight:
248.18
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.55

Agency

suitable for SM 2310
suitable for SM 2320

Quality Level

product line

ReagentPlus®

Assay

≥99.5%

form

powder

storage temp.

room temp

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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1 of 4

This Item
S6672217247380016
Sodium thiosulfate pentahydrate BioXtra, ≥99.5%

Sigma-Aldrich

S6672

Sodium thiosulfate pentahydrate

Premium Grade
Sodium thiosulfate pentahydrate ACS reagent, ≥99.5%

Sigma-Aldrich

217247

Sodium thiosulfate pentahydrate

Essential Grade
form

powder

form

-

form

crystalline powder, crystals, pellets

form

powder

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

agency

suitable for SM 2310

agency

-

agency

suitable for EPA 1621, suitable for ISO 25101, suitable for SM 2310, suitable for SM 2320, suitable for SM 4500 - NH3

agency

-

product line

ReagentPlus®

product line

BioXtra

product line

-

product line

-

storage temp.

room temp

storage temp.

-

storage temp.

-

storage temp.

-

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


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