L-Theanine

L-Theanine
Product Name: L-Theanine CAS#: 3081-61-6
Molecular Formula: C7H13N2O3 Molecular Weight:174.2

Specification:
Item
Standard

Appearance
White crystalline powder

Assay
98.0-102.0%

Specific rotation(a)D20
(C=1 , H2O)
+7.7º to +8.5º

Solubility (1.0g/20ml H2O)
Clear Colorless

Chloride(C1)
Not more than 0.02%

Heavy metals(Pb)
Not more than 10ppm

Arsenic(As2O3)
Not more than 4ppm

Loss on drying
Not more than 0.50%

Residue on ignition
Not more than 0.2%

PH
5.0-6.0