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Magnesium stearate CAS:557-04-0 Product introduction
Product name: Magnesium Stearate
CAS: 557-04-0
MF: C36H70MgO4
MW: 591.24
Appearance: very fine,light,white powder,odourless or with a very slight odour of steric acid
Magnesium stearate Characteristic:
Magnesium stearate is white loose powder, odorless and tasteless, fine and sandy, with a light characteristic aroma. Standard specifications Q/CJYF.7-2001 magnesium content, % 6.5 ~ 7.7 melting point, ℃≥ 120 free
fatty acids (stearic acid), %≤ 3.0 heating reduction, %≤ 3.0 fineness (through 0.075mm screen), %≥ 99.0.
Magnesium stearate COA:
| Tests | Standard USP42 | Examinations |
| Characters | A very fine,light,white powder,odourless or with a very slight odour of steric acid |
Conforms |
| Identification A and B | Complies | Conforms |
| Acidity or alkalinity | Complies | Conforms |
| Chlorides | ≤0.1% | ＜0.1% |
| Sulphates | ≤1.0% | ＜1.0% |
| Lead | ≤10ppm | ＜10ppm |
| Loss on drying | ≤6.0% | 3.7% |
| Magnesium | 4.0～5.0% | 4.4% |
| stearic acid composition stearic acid & palmitic acid composition |
≥40% ≥90% |
43% 99.3% |
| Microbial limits | Complies | Conforms |
| Conclusion | It conforms to USP42. | |
Magnesium stearate Application
1.It is a new pharmaceutical excipient, which can be used as film forming coating material for solid preparations, thickening agent for colloidal liquid preparations, suspension agent, etc
2.It is used to make perfume powder, cosmetics, and also as a drying agent for paints and fake lacquers.
3.Anti-forming agent; Release agent; Emulsifier.
4.Used as heat stabilizer of PVC, lubricant of ABS, amino resin, phenolic resin and urea- formaldehyde resin, paint additive
5.Stabilizer; Lubricant; Raw materials for pharmaceutical tablets
Package:
25kg/bag
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For specific prices, please contact our foreign trade department.
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Detailed usage is in the product details page.
