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S6672

Sigma-Aldrich

Sodium thiosulfate pentahydrate

BioXtra, ≥99.5%

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Synonym(s):
Disodium thiosulfate pentahydrate, Na2S2O3 · 5H2O
Linear Formula:
Na2S2O3 · 5H2O
CAS Number:
10102-17-7
Molecular Weight:
248.18
EC Number:
231-867-5
MDL number:
MFCD00149186
PubChem Substance ID:
24899719
NACRES:
NA.25

product line

BioXtra

Quality Level

200

Assay

≥99.5%

impurities

≤0.0005% Phosphorus (P)
≤0.005% Insoluble matter

solubility

H2O: 1 M, clear, colorless

anion traces

sulfate (SO42-): ≤0.2%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

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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This Item
3800161.065131.06509
Sodium thiosulfate pentahydrate BioXtra, ≥99.5%

Sigma-Aldrich

S6672

Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate 99.999% trace metals basis

Sigma-Aldrich

380016

Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate pure

SAFC

1.06513

Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate 99.999 Suprapur®

Supelco

1.06509

Sodium thiosulfate pentahydrate

impurities

≤0.0005% Phosphorus (P), ≤0.005% Insoluble matter

impurities

≤15.0 ppm Trace Metal Analysis

impurities

-

impurities

-

solubility

H2O: 1 M, clear, colorless

solubility

-

solubility

701 g/L

solubility

701 g/L

anion traces

sulfate (SO42-): ≤0.2%

anion traces

-

anion traces

-

anion traces

-

cation traces

Al: ≤0.0005%, Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.0005%, NH4+: ≤0.05%, Pb: ≤0.001%, Zn: ≤0.0005%

cation traces

-

cation traces

-

cation traces

-

Quality Level

200

Quality Level

-

Quality Level

100

Quality Level

100

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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