CAS No.: 72-18-4 Formula: C5H11NO2 Shelf Life: 2 years Molecular Weight: 117.15 Package: 25kg drum with 2 layers PE bags Test Item Specifications Sensory test off-white crystalline or crystalline powder, no peculiar smell Assay ≥98.0% Loss on drying ≤0.5% PH 4.0~7.0 Residue on ignition ≤0.5% Specific rotation[α]D25 +26.6°~+28.8° Iron salt ≤0.003% Heavy metals(as Pb) ≤5mg/kg Arsenin(as in total arsenic) ≤2mg/kg Mercury(as Hg) ≤0.1mg/kg Cadmium(as Cd) ≤2mg/kg Salmonella