72340
synthetic
≥99.5% (HPLC)
powder or crystals
≤0.2%
≤0.2% loss on drying, 20 °C (HV)
colorless to white
128-131 °C (lit.)
128-131 °C
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤150 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: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg