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Magnesium Stearate

Lubricant and flow agent for tablets, capsules and plastics

CAS number

557-04-0

Industry

Health

Typical form

Fine powder

Additive number

INS 470b (E470b)

Also known as: Octadecanoic acid magnesium salt.

Typical grades: Pharmaceutical, food, cosmetic and technical grades.

About Magnesium Stearate

Magnesium Stearate is the magnesium salt of stearic acid. It is a fine white powder used as a lubricant, release agent and stabiliser.

Uses and applications

Pharmaceutical and supplements

Used as a lubricant in tablet and capsule manufacturing to prevent sticking.

Plastics and rubber

Used as an acid scavenger, lubricant and release agent.

Cosmetics and food

Used as a flow agent and anti-caking agent in powders.

Regulatory note and documentation

Pharmaceutical and nutraceutical use is subject to the requirements of the destination market (for example FDA, EMA or TGA) and the relevant pharmacopoeia monograph (such as USP, BP or EP). Requirements vary by country, so please confirm them for your own product and market before use.

COA, TDS and SDS are available on request. Contact our team for pricing, minimum order quantities and delivery to your location.

Enquire about Magnesium Stearate

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