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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: soluble1 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;

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



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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