[Name of product]: L-PROLINE [Chemical Formula]: [Molecular Formula]: C5H9NO2 [Molecular weight]: 115.13 [Properties]: White crystalline powder, slightly odor, slightly sweet , freely soluble in water and in alcohol. [Standard]: Pharma Grade (USP32), Food Grade (FCC V) or according to buyer. Items Pharma Grade(USP32) Food Grade(FCC Ⅴ) Appearance White crystalls powder White crystalls powder Assay(on dry basis) 98.5% ～ 101.5% 98.5% ～ 101.5% Specific rotation -84.3º ～ -86.3º -84.0º ～ -86.3º Loss on drying 0.4% Max. 0.3% Max. Residue on ignition 0.4% Max. 0.1% Max. Chloride 0.05% Max. -- Sulfate 0.03% Max. -- Iron 0.003% Max. -- Heavy metals 0.0015% Max. -- Lead -- 5mg/kg Max Chromatographic purity Pass USP test -- [ USAGE]: L-PROLINE is one of important amino acids, mainly used in formatting complex amino acid perfusion and preparation. [Packing]:In fiber drums of 25KG net each or according to buyer’s need. [Transport and Storage]: Handle with cares to avoid damaging the package, protects them from sunshine or rain. Don't transport it with poisonous or harmful goods. Stored in shaded, cool and dry places.