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| Catalog Number | CI-SC-0144 |
| Product Name | Magnesium Stearate, USP |
| CAS | 557-04-0 |
| Structure |  |
| Description | Ester of magnesium & stearic acid. Melting point 130-145°C (266-293°F). Median Particle Size 11.1 micron. Fatty acid solidification at 53°C. |
| Solubility | Soluble in warm alcohol, miscible in oils, insoluble in water |
| Appearance | Fine white soapy powder, faint odor of fatty acid |
| Application | Makeup products (e.g. foundations, face powders, lipsticks, mascara, eye shadows), creams, lotions, pomades, ointments, cream shampoos. |
| Storage | Store in a closed container at a dry place at room temperature |
| Composition | Magnesium stearate |
| Features And Benefits | USP gradeWidely used texturizer, opacifier, and non-gelling thickener for a variety of personal care products and color cosmeticsActs as film-forming and anti-caking agentUseful as lubricating agent for enhanced slip and silkinessHas mild emulsifying properties |
| GMO | GMONo data available |
| HS Code | 3003100000 |
| INCI | Magnesium stearate |
| Manufacture | Magnesium stearate is produced by reacting sodium stearate with magnesium salts. |
| Preservation | Preservative-free |
| Purity Grade | USP grade |
| Raw Material Source | Vegetable oils, magnesium |
| Uses | For dry applications use as is; for liquid applications add to the fatty phase of the formulas (or dissolve in warm alcohol). For external use only. |
Magnesium Stearate, USP, is extensively utilized in the pharmaceutical industry for the production of tablets and capsules, serving as a lubricant that prevents ingredients from sticking to production machinery. This ensures a smoother manufacturing process and maintains product integrity. Its application extends beyond pharmaceuticals to the confectionery sector, where it aids in binding sugars in candies. Additionally, magnesium stearate is valued in personal care and cosmetic products for its ability to thicken formulations, stabilize emulsions, form films, and enhance sensory qualities, demonstrating its versatility across various industries.
What is Magnesium Stearate, USP, and what is it commonly used for?
Magnesium Stearate, USP, also known as magnesium salt, is a compound commonly found in many medicines, particularly in pill form. Its primary use in the medical industry is as a lubricant in tablets and capsules, preventing other ingredients from adhering to compression equipment during manufacturing. It is also utilized to bind sugars in certain candies and in personal care products for its thickening, emulsion stabilizing, film forming, and sensory enhancing properties.
Is Magnesium Stearate, USP, safe for consumption?
Yes, Magnesium Stearate, USP, is regarded as safe by the Food and Drug Administration (FDA) for use in pharmaceuticals and personal care products. It is a widely used excipient in the medical field and poses no health risks when consumed in typical amounts used in medications and supplements.
What is the molecular composition of Magnesium Stearate, USP?
The molecular formula for Magnesium Stearate consists of a single magnesium atom joined to two stearate molecules. These stearate molecules contain complex quantities of carbon, hydrogen, and oxygen. This composition allows it to perform effectively as a lubricant and binder.
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