Description
Product Name: L-Theanine
CAS Number: 3081-61-6
Chemical Formula: C7H14N2O3
Molecular Weight: 174.1992
Synonyms: N5-Ethyl-L-Glutamine
Standard: JP2000
Specification:
|
Appearance: |
White crystalline powder |
|
Assay: |
98.0% to 102.0% |
|
Specific rotation [α]D20: |
+7.7º to +8.5º |
|
State of solution: |
Clear and colorless(1.0g/20ml) |
|
Loss on drying |
0.40% max.( At 100 ºC, 3hours) |
|
Residue on ignition [sulfated]: |
0.2% max |
|
Chloride [Cl-]: |
0.02% max |
|
Heavy metals [Pb]: |
10ppm max. |
|
Arsenic [As2O3]: |
4ppm max. |