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13471 Sigma-Aldrich

Sodium sulfite

puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
Quality Level   100
grade   puriss.
assay   95.0-100.0% (iodometric)
form   solid
quality   meets analytical specification of Ph. Eur., BP, NF
impurities   residual solvents, complies
  ≤0.001% heavy metals (as Pb)
  ≤0.05% thiosulfate (S2O3)
pH   9.0-10.5 (25 °C, 126 g/L)
anion traces   chloride (Cl-): ≤200 mg/kg
cation traces   Fe: ≤10 mg/kg
  Se: ≤10 mg/kg
  Zn: ≤10 mg/kg
suitability   complies for appearance of solution
SMILES string   [Na+].[Na+].[O-]S([O-])=O
InChI   1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key   GEHJYWRUCIMESM-UHFFFAOYSA-L
Safety & Documentation

Safety Information

Supplemental Hazard Statements 
EUH031
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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