Physical properties : Formula Mg(C18H35O2)2 Grades Food, Pharma CAS No 557-04-0 Specification : Product Name Magnesium Stearate...
Physical properties :
| Formula | Mg(C18H35O2)2 |
| Grades | Food, Pharma |
| CAS No | 557-04-0 |
Specification :
| Product Name | Magnesium Stearate |
| Appearance | white, water-insoluble powder. |
| Assay | 4-5% on dried basis |
| Loss on Drying | Max 6% |
| Specific Surface area (BP) | 3M2/grn-14M2 grn |
| Particle Size | 99% Particle passes from 325 mesh |
| Thermogravityrnetry (BP) | BP 2.2.34 |
| Heavy Metal as Lead (%) | Max 0.002 |
| Organic Volatile impurities (ppm) | Passed |
| Melting Point °C | 130 - 150 |
| Freezing Point (°C) | 54 Min |
| Assay as MgO (%) | 6.8 - 8.3 |
| Arsenic as AS2o3 (%) | 0.0002 max |
| Free Fatty Acid (%) | 1.0 Max. |
| Methyl Stearate (%) | 40 min |
| Pseudomonas aeruginosa | Negative |
| Staphylococcus aureus | Negative |
| Clarity of Fatty Acid | Clear |
| Stearic Acid | NLT 40% |
| Lead (BP) | PPM Max 10 |
| Nickel (BP) | PPM Max 5.0 |
| Cadmium (BP) | PPM Max 3.0 |
| Chloride (USP/BP/EP) | Max 0.1% |
| Sulphate (USP/BP) | Max 1% |
| Packing | 25 kgs bag |
| Shelf Life | 5 years |
Properties :
- It is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.
- Magnesium stearate is often used as an anti-adherent in the manufacture of medical tablets, capsules and powders.
- Magnesium stearate can also be used efficiently in dry coating processes.
- In the production of pressed candies, magnesium stearate serves as a release agent. It is also used to bind sugar in hard candies such as mints.
- Magnesium stearate is a common ingredient in baby formulas.
- In the EU and EFTA it is listed as food additive E470b.
Packing :
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