您的位置：首页 >> 制药产品大全 >> 原料药 >> 氨基酸及其衍生物 >> L-Theanine
L-TheanineCAS号：3081-61-6
L-Theanine分子式： C7H14N2O3
L-Theanine英文名称： N-gamma-ethyl-L-glutamine
L-Theanine英文同义词： Theanine,98%; L-Theanine; N5-Ethyl-L-glutamine; L- theanine; N-ethyl-L-glutamine
L-TheanineEINECS号： 221-379-0
L-Theanine分子量： 174.1977
L-Theanine沸点： 430.2°C at 760 mmHg
L-Theanine密度： 1.32E-08mmHg at 25°C
L-Theanine闪点： 214°C
|
Item |
Standard (JP2000) |
Results |
|
Appearance |
White to off-white powder |
White to off-white powder |
|
Assay |
98.0-102.0% |
98.95% |
|
Specific rotation(a)D20 |
+7.7 to +8.5 Degree |
8.01Degree |
|
Solubility (1.0g/20ml H2O) |
|
|
|
Chloride(C1) |
≤ 0.02% |
<0.02% |
|
Loss on drying |
≤1% |
0.24% |
|
Residue on ignition |
≤ 0.2% |
<0.20% |
|
PH |
5.0-6.0 |
5.28 |
|
Heavy metals(as Pb ) |
≤10ppm |
<10ppm |
|
Arsenic(as As ) |
≤ 1ppm |
<1ppm |
|
Cadmium |
<1ppm |
<1ppm |
|
Total Plate Count |
<1000cfu/g |
conforms |
|
Yeast and Mold |
<100cfu/g |
conforms |
|
Salmonella |
absent |
absent |
|
E.Coli |
absent |
absent |
氨基酸及其衍生物
Clear Colorless
Clear Colorless
