Synonyms: BENZOTRON™; Benzoic acid sodium salt
Formula: C6H5COONa
Formula Weight: 144.10
CAS No.: 88497-56-7
Purity: 99.0-100.5% (calc. to the dried substance)
Legal Information: BENZOTRON is a trademark of Sigma-Aldrich Co. LLC
Anion Traces: sulfate (SO42-): ≤100 mg/kg
Assay: 99.0-100.5% (calc. to the dried substance)
Cation Traces: Pb: ≤2 mg/kg
Extent Of Labeling: ~15% substitution (brominated rings)
Form: powder
Grade: puriss.
Impurities: ≤0.001% heavy metals (as Pb)
Loss: ≤1% loss on drying, 105 °C
Matrix: crosslinked with 2% DVB
MP: >300°C(lit.)
Particle Size: 100-400 mesh
Quality: meets analytical specification of Ph.-áEur., BP, FCC, E211
Suitability: complies for appearance of solution