L-theanine/theanine/l-the/l-thea
| Price : | Price Negotiable |
| Minimum Order : | 1 (kilogram) |
| Product Status : | New |
| Sample Available : | yes |
| Shipment Terms : | Negotiable |
| Payment Mode : |
T/T |
| Categories : | Chemicals, Pharmaceutical Chemicals |
| Posted By : | Sichuan Tongsheng Amino Acid Co.,ltd |
Description
| Appearance | White crystalline powder |
| Specific rotation(a)D20 (C=1 , H2O ) | +7.7o to +8.5o |
| Solubility (1.0g/20ml H2O) | Clear Colorless |
| Melting Point (oC) | 211-216 oC |
| Chloride(C1) | Not more than 0.02% |
| Iron(Fe) | Not more than 10ppm |
| Heavy metals( Pb ) | Not more than 10ppm |
| Arsenic(As2O3 ) | Not more than 4ppm |
| Loss on drying( 100 ¡æ 3h) | Not more than 0.50% |
| Residue on ignition | Not more than 0.2% |
| Assay | 98.0-102.0% |
| PH | 5.0~6.0 |
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