Customization: | Available |
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Certification: | ISO |
Assay Method: | HPLC |
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Product Name | L-Theanine |
Other Name | L Theanine/Theanine |
CAS | 3081-61-6 |
MF | C7H14N2O3 |
MW | 174.2 |
EINECS | 221-379-0 |
Melting Point | 207°C |
Boiling Point | 430.2±40.0 °C(Predicted) |
Density | 1.171±0.06 g/cm3(Predicted) |
Refractive Index | 8 ° (C=5, H2O) |
Storage Temp. | Store at 0-5°C |
Appearance | White Powder |
Water Solubility | Almost Transparency |
Items | Specification | Result |
Appearance | White Powder | Conforms |
Assay | 98.0%~102.0% | 99.61% |
Specific Rotation(a)D20 (C=1 , H2O ) | +7.7 to +8.5 Degree | +8.13Degree |
Solubility | Clear Colorless (1.0g/20ml H2O) | Clear Colorless |
Chloride(C1) | ≤ 0.03% | <0.03% |
Loss on Drying | ≤ 0.5% | 0.21% |
Residue on Ignition | ≤ 0.2% | 0.06% |
PH | 5.0-6.0 | 5.43 |
Melting Point | 202-215°C | 208-209°C |
Heavy Metals(as Pb ) | ≤10ppm | <10ppm |
Arsenic(as As ) | ≤ 4ppm | <4ppm |
Total Plate Count | <1000cfu/g | Conforms |
Mold And Yeasts | <100cfu/g | Conforms |
Salmonella | Absent | Absent |
E.Coli | Absent | Absent |