Complaint
magnesium stearate is one of the most commonly used additives in supplement manufacturing and it is synthesized by combining stearic acid with magnesium.
| Item | USP/BP/EP | CP |
| Identification | Conforms | |
| Solubility | Conforms | |
| Loss on drying (%) | ≤6.0 | ≤5.0 |
| Chlorides (%) | ≤0.1 | |
| Sulfate(%) | ≤0.1 | ≤0.6 |
| Lead(ppm) | ≤10 | -- |
| Cadmium | ≤3ppm | 0.0003% |
| Nickel | ≤5ppm | 0.0005% |
| Relative Content of Stearic Acid and Palmitic Acid(%) | ≥40.0 ≥90.0 | |
10.2kg/15.2kg(bag) or 12.5kg/17.5kg(drum)
1, for plastic magnesium stearate is both stabilizer and lubricant, such as in PVC hard products as internal and external
lubricant.
2, as an emulsifier in cosmetics.
3. Magnesium stearate is also used as a dry powder extinguishing agent.
