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13479 Sigma-Aldrich

Sodium thiosulfate pentahydrate

puriss., meets analytical specification of Ph. Eur., BP, USP, 99-100.5%

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
InChI Key   PODWXQQNRWNDGD-UHFFFAOYSA-L
grade   puriss.
assay   99-100.5%
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   chloride (Cl-): ≤500 mg/kg
  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

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 
1

Documents

Certificate of Analysis

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Protocols & Articles
Peer-Reviewed Papers
15

References

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