Stearic Acid

Stearic acid is amphiphilic, meaning it has a hydrophobic end with a long chain of carbon atoms and a hydrophilic end with a carboxyl group. This amphiphilic nature makes it useful as an active interface agent. 

Stearic acid is found in many animal and vegetable fats and oils, including cocoa butter and shea butter. It’s also present in cottonseed, pumpkin seed, grape seed, and pomegranate oils. 

Stearic acid is also used in the pharmaceutical industry, particularly in tablet manufacturing. In this context, its main roles are as follows:

Lubricant:

Stearic acid is often used as a lubricant in tablet production. It helps reduce friction between the tablets and the compression machines, making the manufacturing process easier and preventing the tablets from sticking to the dies and punches of the machine.

Release agent:

It is also used to prevent tablets from sticking to molds or presses during their production, ensuring easy and uniform release of the tablets.

Stability enhancer:

Stearic acid can help improve the stability of tablets by controlling the release of active ingredients, although its main role is typically related to manufacturing ease.

Excipients in formulations:

In certain formulations, stearic acid can act as an excipient to help maintain the structure of the tablet while keeping its integrity during storage.

In summary, in tablet production, stearic acid is primarily used for its lubricating and release properties, making the manufacturing process easier while ensuring better quality of the final product.

Country of Origin: China

Storage: Store in a well-closed container away from moisture