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71988 Sigma

Sodium sulfite

BioUltra, anhydrous, ≥98% (RT)

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Properties

Related Categories Alphabetical, Biochemicals and Reagents, Denaturation, Disulfide Bridge Cleavage Reagents
InChI Key   GEHJYWRUCIMESM-UHFFFAOYSA-L
product line   BioUltra
assay   ≥98% (RT)
impurities   insoluble matter, passes filter test
loss   ≤0.1% loss on drying, 20 °C (HV)
pH   9.0-10.5 (25 °C, 1 M in H2O)
solubility   H2O: 1 M at 20 °C clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  thiosulfate (S2O32-): ≤200 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 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
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
absorption   absorption1M/265 nm, H2O cut-off

Description

Other Notes

Cleaves disulfide bonds to form the S-sulfonate derivative; Inhibits gram positive bacteria in culture media;

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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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