| CAS No.: | 72-19-5 |
|---|---|
| Other Names: | threonine |
| MF: | |
| EINECS No.: | 200-774-1 |
| Place of Origin: | China (Mainland) |
| Grade Standard: | Feed Grade,Food Grade,Medicine Grade |
| Usage: | |
| Brand Name: | premium |
| Model Number: | |
| Purity: | 100% |
Quick Details
Specifications
Product Name: L-Threonine Cas No.:72-19-5 Quality Standard: AJI92
Description: white crystals or crystalline powder.
Test item | Limit |
Specific rotation | -27.6 to -29.0° |
State of solution (transmittance) | Clear and colorless Not less than 98.0% |
Chloride | Not more than 0.020% |
Ammonium | Not more than 0.02% |
Sulfate | Not more than 0.020% |
Iron | Not more than 10ppm |
Heavy metals(Pb) | Not more than 10ppm |
Arsenic | Not more than 1ppm |
Other Amino Acids | Chromatographically not detectable |
Loss on drying | Not more than 0.20% |
Residue on ignition (sulfated) | Not more than 0.10% |
Assay | 99.0 to 100.5% |
PH | 5.2 to 6.2 |
Storage: Preserve in tight containers at controlled room temperature.
Recommended limit: 2 years