The product is characterized by its pure composition, stable chemical parameters, and controlled heavy metal content.
| Parameter |
Value |
| Appearance |
Powder or granules, white to light brown |
| Threonine content (dry matter) |
min 98.5% |
| Heavy metals (as Pb) |
max 10 ppm |
| Arsenic (as As) |
max 1 mg/kg |
| Residue on ignition |
max 0.5% |
| Loss on drying |
max 1% |
| pH |
5–6 |
| Specific rotation |
-26.00° to -29.00° |