▸Dietary supplements: amino-acid ingredient for capsules, tablets, and powders
▸Food additive: flavoring/food additive in functional formulations
▸Beverages: amino-acid input for powdered and ready-to-drink products
Physical Properties
Melting Point
174.20
Boiling Point
214-216 °C
Solubility
Soluble in 2.6 parts water at 0 °C; soluble in 1.8 parts water at 100 °C
pH
pH of 5-6 (1% solution)
Safety & Handling
Full SDS available on request
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
L-Theanine (CAS 3081-61-6) is N-ethyl-L-glutamine, an amino acid that occurs naturally in tea leaves, supplied as a white crystalline powder. It is used as a dietary supplement ingredient and as a food and flavoring additive.
Frequently Asked Questions
What is L-Theanine?
L-Theanine (CAS 3081-61-6) is N-ethyl-L-glutamine, an amino acid that occurs naturally in tea leaves, supplied as a white crystalline powder. It is used as a dietary supplement ingredient and as a food and flavoring additive.
What is L-Theanine used for in formulations?
As an industrial input it is used as an amino-acid ingredient for capsules, tablets, and powders, as a flavoring/food additive in functional formulations, and as an amino-acid input for powdered and ready-to-drink beverages.
Is L-Theanine water soluble?
Yes, L-theanine is water soluble, which supports its use in ready-to-drink and powdered beverage systems as well as in liquid supplement formats.
What is the CAS number and molecular formula?
CAS 3081-61-6, formula C7H14N2O3. Chemically it is N-ethyl-L-glutamine. Lot-specific Certificate of Analysis and SDS are available on request for formulation qualification.
What bulk packaging and order quantities are available?
It is distributed as a supplement/food-grade amino-acid ingredient in bulk packaging for manufacturing. Submit your target volume and documentation requirements through a bulk RFQ for current pricing, available pack sizes, and lead time.
Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.
Bulk & Specialty Sourcing
Ready to Source L-Theanine (Theanine)?
Our procurement team handles specification confirmation, lead time, and logistics.
We use cookies and similar technologies for analytics and to improve our Site, and — with your consent — for marketing and B2B visitor identification. Choose what to allow. See our Privacy Policy.
