L-Theanine

Product Name: L- Theanine CAS#: 3081-61-6 Molecular Formula: C7H14N2O3 Molecular Weight: 174.2 Appearance:White crystalline powder Specific rotation(a)D20(C=1 , H2O ):+7.7o to +8.5o Solubility (1.0g/20ml H2O):Clear Colorless Melting Point (oC):211-216 oC Chloride(C1):Not more than 0.02% Iron(Fe):Not more than 10ppm Heavy metals( Pb ):Not more than 10ppm Arsenic(As2O3 ):Not more than 4ppm Loss on drying( 100 ℃ 3h):Not more than 0.50% Residue on ignition:Not more than 0.2% Assay:98.0-102.0% PH:5.0~6.0

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