L-Theanine
Names
[ CAS No. ]:
34271-54-0
[ Name ]:
L-Theanine
[Synonym ]:
(5Z)-5-(Ethylimino)-5-hydroxy-L-norvaline
N-Ethylglutamine
N5-ethylglutamine
Theanine
N(5)-ethyl-L-glutamine zwitterion
(2S)-2-amino-4-(ethylcarbamoyl)butanoic acid
2-Amino-5-(ethylamino)-5-oxopentanoic acid
N-γ-ethyl-L-glutamine
Glutamine, N-ethyl-
L-Glutamine, N-ethyl-
MFCD08460601
L-Norvaline, 5-(ethylimino)-5-hydroxy-, (5Z)-
N5-Ethyl-L-glutamine
N-Ethyl-L-glutamine
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
[ Boiling Point ]:
430.2±40.0 °C at 760 mmHg
[ Molecular Formula ]:
C7H14N2O3
[ Molecular Weight ]:
174.198
[ Flash Point ]:
214.0±27.3 °C
[ Exact Mass ]:
174.100449
[ PSA ]:
92.42000
[ LogP ]:
-1.02
[ Vapour Pressure ]:
0.0±2.2 mmHg at 25°C
[ Index of Refraction ]:
1.492
Safety Information
[ Hazard Codes ]:
Xi:Irritant;
[ Risk Phrases ]:
R43
[ Safety Phrases ]:
S28-S36/37
[ HS Code ]:
2924199090
Customs
[ HS Code ]: 2924199090
[ Summary ]:
2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%