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 Basic Information

 

L-Theanine
Synonyms N-Ethyl-L-glutamine, L-γ-Glutamylethylamide
CAS Number 3081-61-6
Molecular Formula C₇H₁₄N₂O₃
Molecular Weight 174.19
Appearance White crystalline powder
Available Grades Food Grade
Purity ≥98.5%
Solubility Freely soluble in water
Executive Standards USP, EP, CP, AJI
Certifications ISO9001, ISO22000, HALAL, KOSHER, HACCP

 

Product Overview

 

L-Theanine, CAS 3081-61-6, is a distinctive non-protein amino acid. It contributes to mental relaxation, helps ease mental stress and supports healthy sleep quality without causing drowsiness. This ingredient is widely used for amino acid fortification in dietary supplements and functional food & beverage formulations. 

Compliant with USP, EP, CP and AJI standards, and certified by ISO9001, ISO22000, HALAL, KOSHER and HACCP, our L-Theanine supports reliable quality for global food and beverage ingredient applications.

 

Product Characteristics

1. Food grade amino acid ingredient Consistent food grade amino acid ingredient suitable for large-scale food and beverage production.

2. Supports alpha brain wave activity, helping achieve a calm yet focused mental state without sedation or drowsiness.

3.Excellent water solubility Freely soluble in water, ideal for clear beverages, RTD drinks, instant powder sticks and reconstitutable formulations.

4.Synergistic with caffeine Commonly paired with caffeine in standard ratios (2:1 to 4:1) to reduce caffeine jitters and palpitations while maintaining focus and energy.

5.Flavor modulation property Helps reduce bitterness and astringency in coffee, cocoa, ginseng and citrus beverages, delivering a smoother and rounder taste profile.

 

Main Functions

1.Relaxation and stress-support nutrition Used in functional foods and beverages targeting mental relaxation and everyday stress management.

2.Focus and cognitive support Supports attention and mental clarity, popular in nootropic and focus-oriented supplement formulations.

3.Sleep and nighttime recovery support Incorporated into evening and nighttime beverage and supplement products for relaxation before rest.

4.Caffeine pairing ingredient Works synergistically with caffeine to create balanced energy drinks with reduced jitter and improved focus duration.

5.Flavor improvement in beverages Reduces bitterness and astringency, enhancing the taste profile of tea, coffee, cocoa and herbal drinks.

 

Main Applications

 

1. Functional Beverages & RTD Drinks : L-Theanine is widely used in ready-to-drink teas, relaxation beverages, calm-energy drinks and gaming-focused functional beverages. Its high water solubility ensures clarity and stability in transparent beverage products. It is frequently paired with caffeine to deliver a smooth, balanced energy experience.

2. Dietary Supplements & Gummies: Added to capsules, tablets, powders and gummies targeting relaxation, stress relief, sleep support and cognitive focus. It is a staple ingredient in daytime calm, evening relaxation and nootropic supplement product lines.

3. Food Fortification & Confectionery: Used in chocolate, snack bars, chewing gum, lozenges and bakery products positioned as “calm” or “stress-relief” foods. It also serves as a flavor modulator in coffee, cocoa and herbal beverage formulations.

 

Packaging & Storage

 

Item Specification
Packaging 25kg fiber drum with waterproof inner plastic bag
Storage Condition Store in cool, dry and ventilated warehouse, keep away from high temperature, humidity and direct sunlight
Sealing Requirement Keep tightly sealed to prevent moisture absorption and agglomeration
Shelf Life 24 months under standard storage conditions
 

Product Name: L-Theanine Other Name: L-Glutamine,N-ethyl-;Glutamine,N-ethyl-,L-;N-Ethyl-L-glutamine;L-Theanine;Theanine;Theanin;Suntheanine;NSC 21308;Nγ-Ethyl-L-glutamine;Suntheanine CG 100;(2S)-2-Amino-4-(ethylcarbamoyl)butanoic acid;(2S)-2-Azaniumyl-5-(ethylamino)-5-oxopentanoate;(S)-2-Amino-5-(ethylamino)-5-oxopentanoic acid
CAS No.: 3081-61-6 Molecular Formula: C7H14N2O3
InChIKeys: InChIKey=DATAGRPVKZEWHA-YFKPBYRVSA-N Molecular Weight: 174.19800
Exact Mass: 174.20 EC Number: 221-379-0
NSC Number: 21308 HScode: 2924199090
Categories: Amino Acids and Derivatives

PSA: 92.42000 XLogP3: -3.6
Appearance: Solid Density: 1.171 g/cm3
Melting Point: 217-218 °C (decomp) Boiling Point: 427.1ºC at 760 mmHg
Flash Point: 212.1ºC Refractive Index: 8 ° (C=5, H2O)
Water Solubility: Insoluble in ethanol and ether Storage Conditions: Store at 0-5ºC
Vapor Pressure: 5.0X10-8 mm Hg at 25 deg C (est) Odor: None (no odor)
Taste: Astringent, sweet PH: pH of 5-6 (1% solution)

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

Other hazards which do not result in classification

no data available

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

RECOMMENDED STORAGE METHODS: Lined metal can, Lined metal pail/drum. Plastic pail. STORAGE REQUIREMENTS: Store in original containers. Keep containers securely sealed.