Features Specifications:Sell L-Phenylalanine  The L-phenylalanine is one of the eight a minophenol that humans need. It can be used for any food and food and beverage and it is the main material to enhance the taste for aspartame.Besides it can be used as an additive for the anti-cancer tablets.anti-virus tablets,Vita min B6,food,feedstuff and etc.it is a crucial nurture and also filler for tablets.it can be stored in the heat,air and light L-Phenylalanine CAS No. 63-91-2 Standard: USP30 Appearance: White crystalline powder Identification: Infrared Absorption Assay: 98.50% ~ 101.50% Specific Rotation: -32.7° ~ -34.7° Assay: 98.50% ~ 101.50% Loss on Drying: 0.30% Max. Residue on Ignition: 0.10% Max. Chloride (Cl): 0.05% Max. Sulfate (SO4): 0.03% Max. Heavy Metals (Pb): 15ppm Max. Iron (Fe): 30ppm Max. Organic Volatile Impurities: Meets the requirements Chromatographic Purity:   Any Individual Impurity: 0.50% Max.  Total Impurites: 2.00% Max. PH Value: 5.4 ~ 6.0 if you are interests,please contact with us for further details.