L-Theanine（CAS# 3081-61-6)

Chemical Property:

Molecular Formula	C7H14N2O3
Molar Mass	174.2
Density	1.171±0.06 g/cm3(Predicted)
Melting Point	207°C
Boling Point	430.2±40.0 °C(Predicted)
Specific Rotation(α)	+8.0°（water）
Flash Point	214°C
Water Solubility	almost transparency
Solubility	Insoluble in ethanol and ether, easily soluble in water.
Vapor Presure	1.32E-08mmHg at 25°C
Appearance	White crystal
Color	White
pKa	2.24±0.10(Predicted)
Storage Condition	2-8°C
Stability	Stable for 2 years from date of purchase as supplied. Solutions in distilled water may be stored at -20° for up to 2 months.
Refractive Index	8 ° (C=5, H2O)
MDL	MFCD00059653
Physical and Chemical Properties	White crystalline powder. Odorless, with slightly sweet taste, with taste threshold of 0.15%. Decomposition temperature of 214~215. Soluble in water, insoluble in ethanol, ether. Natural products are more present in the superior green tea (up to 2.2%).
Use	Used as a food additive

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Product Detail

Product Tags

Hazard Symbols	Xi – Irritant
Risk Codes	43 – May cause sensitization by skin contact
Safety Description	S28 – After contact with skin, wash immediately with plenty of soap-suds. S36/37 – Wear suitable protective clothing and gloves.
HS Code	29241990

Introduction

L-theanine (L-Theanine) is a unique component in tea, a glutamine amino acid analog, and the most abundant amino acid in tea. Existed in green tea. It has a slightly sweet taste. Natural products are mostly found in superior green tea (up to 2.2%).

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