L-Theanine Pure Theanine Tea 100g

L-Theanine (Pure)
Other Names: γ-Glutamylethylamide

CAS Number: 3081-61-6
Sum Formula: C₇H₁₄N₂O₃
Molar Mass: 174.20 g/mol
Appearance: White to colorless crystalline powder

L-Theanine is a non-proteinogenic amino acid primarily known for its calming and relaxing properties. It naturally occurs in tea leaves and certain fungi. In chemical applications, it is valued for its role in biochemical studies, functional material research, and as a chiral intermediate.

Chemical and Physical Properties
Density: ~1.21 g/cm³ (estimated)
Melting Point: ~214–215°C (with decomposition)
Boiling Point: Decomposes before boiling
Solubility in Water: Freely soluble
Solubility in Other Solvents: Slightly soluble in ethanol; practically insoluble in nonpolar solvents
Odor: Odorless

Applications
Biochemical Research: Used to study amino acid transport systems and neurotransmitter pathways.
Organic Synthesis: Applied as a chiral intermediate or building block for specialty chemicals.
Material Science: Investigated for incorporation into functional food materials and bioactive formulations.
Analytical Chemistry: Utilized in chromatography and electrophoresis methods for amino acid profiling.

Safety
Signal Word: Warning

Handling and Storage
Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Protect from moisture and direct sunlight.
Handling Precautions: Handle in a clean environment to avoid contamination. Use appropriate personal protective equipment.