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Methacrylic Acid Copolymer

Excipient (pharmacologically inactive substance)

Medically reviewed by Last updated on April 24, 2020.

What is it?

Methacrylic acid copolymer, also known as Methacrylic acid - ethyl acrylate copolymer is an excipient used in pharmaceutical manufacturing.

It is a solid white powder with dissolution above pH of 5.5, and is used in enteric coatings for fast dissolution in the upper bowel, for granulation of drug substances in powder form for controlled-release, and for site-specific drug delivery. It is typically released in the duodenum of the gastrointestinal tract.[1]


[1] Evonik Industries. Eudragit. Eudragit L 100-55. Description. Accessed 8/15/2012.

Further information

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