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71989 Sigma-Aldrich

Sodium sulfite

puriss. p.a., ACS reagent, anhydrous, ≥98.0% (RT)

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
grade   ACS reagent
InChI Key   GEHJYWRUCIMESM-UHFFFAOYSA-L
grade   puriss. p.a.
assay   ≥98.0% (RT)
solubility   water: soluble 126 g/L at 20 °C
anion traces   chloride (Cl-): ≤50 mg/kg
  thiosulfate (S2O32-): ≤200 mg/kg
cation traces   As: ≤0.1 mg/kg
  Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤200 mg/kg
  Mg: ≤20 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Application

Sodium sulfite may be used in the preparation of wheat gluten films.

General description

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

Safety & Documentation

Safety Information

Supplemental Hazard Statements 
Contact with acids liberates toxic gas.
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
WE2150000
Protocols & Articles
Peer-Reviewed Papers
15

References

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