This product is a combination of magnesium and stearic acid. It is a mixture of magnesium stearate (C36H70MgO4) and magnesium palmitate (C32H62MgO4) as the main components. According to the dry product calculation, the magnesium content should be 4.0%~5.0%. This product is mainly used as a lubricant or anti-stick agent for tablets and capsules, the general concentration is 0.25-2.0%, due to its hydrophobicity, it can delay the dissolution rate of solid preparations of drugs, so it is required to use the concentration as low as possible, and should avoid the use of drugs with alkaline incompatibility.
| General Information | |||
| Product Name | Magnesium Stearate（MS） | ||
| HS Code | 3824999999 | ||
| CAS Number | 557-04-0 | ||
| Standard | CP、USP、EP、BP | ||
| Packing Specification | 10kg/ bag、15kg/ bag | ||
| Storage Condition | Room temperature, Sealed | ||
| Product Character | This product is white easy sand free fine powder, slightly special odor; It is greasy in contact with the skin, insoluble in water, ethanol and ether, slightly soluble in hot benzene and 95% ethanol. | ||
| Physicochemical Property | |
| Density | N/A |
| Molecular Formula | C22H39NaO4 |
| Refractive Index | N/A |
| Boiling Point | 483.4℃ at 760mmHg |
| Vapor Pressure | N/A |
| Molecular Weight | 390.53 |
| Fusing Point | N/A |
| Flash Point | 153.5℃ |
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