Pharmaceutical grade Magnesium Stearate

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Pharmaceutical grade Magnesium Stearate
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Product Description

Magnesium stearate is a white substance that has two equivalents of stearate and one magnesium cation. It is safe for human consumption. It is often used as a filling agent in the manufacture of supplement capsules. This substance has lubricating properties and prevents ingredients from sticking to manufacturing equipment during the compression of chemical powders into capsules or tablets. Most pharmaceutical formulations include a certain amount of lubricant to improve their flowability and prevent their adhesion to the surfaces of processing equipment.

Product name: Magnesium Stearate Powder 

Other name: Octadecanoic acid magnesium salt

CAS: 557-04-0

Molecular Formula: C36H70MgO4

Assay: 99% 

Appearance: white fine powder


Magnesium stearate is an additive that’s primarily used in medication capsules. It’s considered a “flow agent.” It prevents the individual ingredients in a capsule from sticking to each other and the machine that creates the capsules.

It helps improve the consistency and quality control of medication capsules. It’s possible to create medication capsules without magnesium stearate, but it’s more difficult to guarantee the consistency and quality of those capsules. Magnesium stearate is used to delay breakdown and absorption of medications, so they’re absorbed in the correct area of the bowel. 


1. Pharmaceutical Industry: Magnesium stearate is often used as a diluent in the manufacture of medical tablets, capsules and powders.


2. Food Industry: Magnesium stearate is also used to bind sugar in hard candies and is a common ingredient in baby formulas.   


excipient ingredients

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Pharmaceutical grade Magnesium Stearate
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