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31454 Sigma-Aldrich

Sodium sulfite

puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a.,
Agency/Method   reag. Ph. Eur.
Quality Level   100
grade   puriss. p.a.
assay   98-100.0% (iodometric)
form   solid
impurities   ≤0.001% heavy metals (as Pb)
  ≤0.02% thiosulfate (S2O3)
pH   9.0-10.5 (25 °C, 126 g/L)
anion traces   chloride (Cl-): ≤50 mg/kg
cation traces   As: ≤0.2 mg/kg
  Ca: ≤50 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Se: ≤10 mg/kg
  Zn: ≤10 mg/kg
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

Description

General description

Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.

Application

Sodium sulfite was used in the preparation of films based on wheat gluten.

Packaging

1 kg in poly bottle

500 g in poly bottle

Safety & Documentation

Safety Information

Supplemental Hazard Statements 
EUH031
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
WE2150000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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