Products Description of L-Arginine L-glutamate CAS#4320-30-3
L-Arginine L-glutamate is a white powdery substance. It is nearly odorless or bears a faint characteristic aroma paired with its distinctive intrinsic taste. Thermal decomposition occurs upon heating to 193–194.6 °C. Its 25% aqueous solution contains 13.5 g L-arginine and 11.5 g L-glutamic acid per 100 mL. Under ambient storage conditions, this compound commonly exists as a trihydrate with three water molecules of crystallization.
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L-Arginine L-glutamate Chemical Properties
| Melting point | >185°C (dec.) |
| Storage temp. | −20°C |
| Solubility | Aqueous Acid (Sparingly), Water (Slightly) |
| Form | Solid |
| Color | White to Off-White |
| Odor | odorless |
| LogP | -1.287 (est) |
| CAS DataBase Reference | 4320-30-3(CAS DataBase Reference) |
| EPA Substance Registry System | L-Glutamic acid compd. with L-Arginine (1:1) (4320-30-3) |
| WGK Germany | 3 |
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Product Application of L-Arginine L-glutamate CAS#4320-30-3
L-Arginine L-glutamate functions as a flavor enhancer predominantly applied to improve the sensory profile of green tea, with a standard addition dosage ranging from 1% to 2%. While L-glutamic acid and L-arginine are not categorized as essential amino acids, they are deemed conditionally essential for infants and toddlers, whose endogenous synthesis capacity of L-arginine remains insufficient. Furthermore, L-arginine exerts protective benefits on retinal tissues, supporting its application in pharmaceutical preparations.
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