Magnesium Stearate, with its chemical formula Mg(C18H35O2)2 and CAS number 557-04-0, is a compound that plays an integral role across a spectrum of industries. Its unique chemical and physical properties make it a highly sought-after ingredient, from pharmaceutical tablets to cosmetic powders and food products. As a dedicated manufacturer, understanding the fundamental aspects of Magnesium Stearate—its properties, uses, and production—is central to delivering exceptional value to our clients.

Chemically, Magnesium Stearate is the magnesium salt of stearic acid, a saturated fatty acid. It presents as a fine, white, greasy powder that is virtually insoluble in water, alcohol, and ether, but it can be slightly soluble in hot benzene. This insolubility in common solvents is a key characteristic that dictates many of its applications. Its softness and lubricity are derived from the stearate component, while the magnesium ion contributes to its stability and non-reactive nature in many formulations.

The versatility of Magnesium Stearate is evident in its widespread applications. In the pharmaceutical industry, it serves as a critical lubricant and anti-adherent in tablet manufacturing, preventing sticking to machinery and ensuring consistent tablet formation. It also functions as a flow agent, improving the uniformity of powder blends. For those looking to buy pharmaceutical-grade Magnesium Stearate, purity and adherence to pharmacopoeial standards are paramount. In cosmetics, it enhances texture, acts as an anti-caking agent, and contributes to the smooth application of powders and makeup. Its role as a food additive (E470b) includes preventing caking and serving as a release agent in confectionery. For these uses, obtaining food-grade Magnesium Stearate from a reliable supplier is essential.

The manufacturing process typically involves the reaction of magnesium oxide or a magnesium salt with stearic acid. Alternatively, it can be produced by reacting sodium stearate with a soluble magnesium salt. As a leading chemical manufacturer in China, we employ advanced production techniques and stringent quality control measures to ensure the purity and consistency of our Magnesium Stearate. This allows us to offer competitive pricing for bulk purchases across all grades.

Whether you require Magnesium Stearate for sensitive pharmaceutical formulations, high-performance cosmetics, or functional food products, understanding its properties and sourcing it from a reputable supplier is crucial. We are committed to providing high-quality Magnesium Stearate at competitive prices, backed by our expertise and manufacturing capabilities. If you are ready to purchase this essential compound or require further information on its specifications and applications, please contact us.