Product name: L-Theanine
Alias: N-gamma-ethyl-L-glutamine
CAS RN : 3081-61-6
Molecular Formula: C7H14N2O3
Molecular Weight: 174.2
Physical and chemical properties: White crystalline powder
Assay: ≥99%
Standard: JP2000
Uses: Used as food additive
Item | Specification |
Description | White Crystals or Crystalline Powder |
Solution clarity | Clear and colorless |
Assay | 98.0%~102.0% |
Specific Rotation | +7.7°~+8.5° |
PH | 5.0-6.0 |
Residue on Ignition | ≤0.2% |
Loss on Drying | ≤1.0% |
Chloride | ≤0.02% |
Sulfate | ≤0.02% |
Particle size | ≥90% through 80 mesh |
Heavy Metals | ≤10ppm |
Iron(Fe) | ≤30ppm |
Total Plate Count | ≤1000 cfu/g |
Yeast and Molds | ≤1000 cfu/g |
Coliform Group | Negative |
Salmonella | Negative in 25g |




