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13479 Sigma-Aldrich

Sodium thiosulfate pentahydrate

puriss., meets analytical specification of Ph. Eur., BP, USP

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
Quality Level   200
grade   puriss.
assay   99.0-100.5% (USP, dry basis)
  99.0-101.0% (EP)
form   crystalline
quality   meets analytical specification of Ph. Eur., BP, USP
impurities   residual solvents, complies
  ≤0.0005% heavy metals (as Pb)
loss   32-37% loss on drying, 16 h (vacuum)
pH   6.0-8.4 (20 °C, 10%)
anion traces   sulfate, sulfite (as SO42-): ≤2000 mg/kg
  sulfide (S2-): in accordance
cation traces   As: ≤3 mg/kg
  Ca: ≤50 mg/kg
  Fe: ≤10 mg/kg
suitability   complies for appearance of solution
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

Description

Packaging

2.5 kg in poly bottle

500 g in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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