Properties
grade for microbiology
assay ≥99.0% (HPLC)
optical activity [α]20/D +88±2°, c = 4% in H2O
ign. residue ≤0.1% (as SO4)
mp ~156 °C (dec.)
solubility H2O: soluble50 mg/mL, clear, colorless
anion traces chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg
cation traces As: ≤0.1 mg/kg
Ca: ≤500 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: ≤10 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
Safety
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany 3