Buy Magnesium Stearate Powder Pharmaceutical Excipients Material Online
Magnesium Stearate Sepcification
Product Name: Magnesium stearate
Natural/Synthetic: Synthetic
Source of extraction: CP2015
Level: Pharmaceutical grade
Content: 99%
Appearance: white powder
Packing: 10KG/kraft paper bag
Physicochemical properties: white powder
Category: Pharmaceutical Raw Materials
Industry: Pharmaceuticals
Field: Pharmaceutical Excipients
Deferred products: flow aids, anti-adhesives tablets, capsules
Use: pharmaceutical additives, lubricants for tablets and capsules,
What is Magnesium stearate?
Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents, and low toxicity. It is used as a release agent and as a component or lubricant in the production of pharmaceuticals and cosmetics.
Magnesium stearate Certificate of Analysis
| Product name |
Magnesium stearate |
| CAS No. |
/ |
Outer Packing |
10kg/bag |
| Production date |
2018.04.25 |
Shelf life |
2019.04.24 |
| Standard adopted |
Enterprise Standard |
| Items of analysis |
Specification |
Results |
| Character |
White fine powder, micro special odor; Insoluble in water, ethanol or ether. |
conforms |
| Identification |
1, should be a positive reaction; 2, the retention time of the two main peaks of the test solution should be consistent with the retention time of the two main peaks of the reference solution. |
conforms |
| PH |
Titrant consumption ≤0.05ml |
0.02ml |
| Chloride（%） |
≤0.1% |
conforms |
| Sulfate (%) |
≤0.6% |
conforms |
| Loss on drying |
≤5.0% |
4.1% |
| Iron salt (%) |
≤0.01% |
conforms |
| Cadmium salt (%) |
≤0.0003% |
conforms |
| Nickel salt (%) |
≤0.0005% |
conforms |
| Heavy metal |
≤15ppm |
conforms |
| Stearic acid content (%) |
≥40% |
43.4% |
| Stearic acid and palmitic acid relative content (%) |
≥90% |
99.8% |
| Aerobic bacteria (cfu/g) |
≤1000cfu/g |
50cfu/g |
| Mold and yeast (cfu/g) |
≤100cfu/g |
30cfu/g |
| Escherichia coli |
Do Not Detect |
Not Detect |
| Assay |
Dry products in the range of 4.0%-5.0% by Mg |
4.1% |
| Conclusion |
Qualified |
