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Magnesium Stearate
Magnesium stearate is the chemical compound with the formula Mg(C18H35O2)2. Magnesium stearate is a white, water-insoluble powder. Its applications exploit its softness, insolubility in many solvents, and low toxicity.
Magnesium stearate is a fine white powder that sticks to your skin and is greasy to the touch. It’s a simple salt made up of two substances, a saturated fat called stearic acid and the mineral magnesium. Stearic acid can also be found in many foods. Magnesium stearate is commonly added to many foods, pharmaceuticals, and cosmetics. In medications and vitamins, its primary purpose is to act as a lubricant.
Features of Magnesium Stearate
- Highly effective
- Precisely formulated
- Accurate composition
Applications of Magnesium Stearate
Pharmaceuticals
Rubber industry
Cosmetics
Paints
Printing ink
Specification of Magnesium Stearate Powder
S.No. | Tests | Standards
|
01 | Description | A very fine,light.whitepowder,odourless or with a Faint odor of stearic acid, Free from grittiness |
02 | Solubility | Practically insoluble in water. |
03 | Identification | Test A:Freezing point NLT 53°C Test B:Acid Value is 195-210 |
04 | Lead | Max 10 ppm |
05 | Nickel | Max 5 ppm |
06 | Cadmium | Max 3 ppm |
07 | Chlorides | Max 250 ppm |
08 | Sullphates | Max 0.5% |
09 | Loss on drying at 105 0C | NMT 6.0% |
10 | Assay ( Mg on dried basis) | 3.8% – 5.0% |
11 | Total Viable count | 103cfu/g |
12 | TYMC | 100 cfu/g |
13 | Escheria Coli & Salmonella | Absent |
14 | The Fatty acid fraction stearic acid | NLT40.0% |
15 | Sum of stearic acid of palmtic acid | NLT 90.0% |
Packaging