产品名称

L-茶氨酸

CAS NO

3081-61-6

中文别名

N-乙基-L-谷氨酰胺

英文名称

L-Glutamine,N-ethyl-

英文别名

Glutamine,N-ethyl-, L- (6CI,7CI,8CI); L-Theanine; NSC 21308; Ng-Ethyl-L-glutamine; Suntheanine; Theanin; Theanine

分子式

C₇H₁₄N₂O₃

分子量

174.2

EINECS

221-379-0

熔点

207°C

沸点

427.1oC at 760 mmHg

毒性

Item Standard Appearance White crystalline powder Identification by IR Authentic Specific rotation(a)D20 (C=1 , H2O) +8.0o to +8.5o Solubility (1.0g/20ml H2O) Clear Colorless Melting Point (oC) 210oC to 215 oC Chloride(C1) Not more than 0.02% Sulfate(SO4) Not more than 0.05% Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Lead Not more than 3ppm Mercury Not more than 0.1ppm Cadmium Not more than 1ppm Moisture Not more than 2.0% Residue on ignition Not more than 0.2% Assay（HPLC） 98.5%-102.0% Assay(by Titration) 98.0%-102.0% PH(1%,H2O) 5.0~7.0 Total plate count Not more than 1000cfu/g Mould & yeast Not more than 100cfu/g Escherichia coli Negative Salmonella Negative Total Coliforms Negative Staphyloccocus Aureus Negative