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71295 Sigma

Sodium benzoate

BioUltra, ≥99.5% (NT)

Synonym: Benzoic acid sodium salt

  • CAS Number 532-32-1

  • Linear Formula C6H5COONa

  • Molecular Weight 144.10

  •  Beilstein Registry Number 3572467

  •  EC Number 208-534-8

  •  MDL number MFCD00012463

  •  PubChem Substance ID 57652282

  •  eCl@ss 39024301

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Properties

Related Categories Molecular Biology, Optimization Reagents, Protein Structural Analysis, Proteomics, X-Ray Crystallography More...
InChI Key   WXMKPNITSTVMEF-UHFFFAOYSA-M
product line   BioUltra
assay   ≥99.5% (NT)
impurities   insoluble matter, passes filter test
loss   ≤0.5% loss on drying, 20 °C (HV)
pH   7.0-8.5 (25 °C, 1 M in H2O)
mp   >300 °C(lit.)
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 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/295 nm, H2O cut-off

Description

Other Notes

Preservative mostly for food products. The effect is best exhibited in slightly acidic media, no effect in basic media; Exhibits fungicidal activity in pharmaceutical preparations

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.




Amplified Detection
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
DH6650000
Flash Point(F) 
>212 °F
Flash Point(C) 
>100 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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