Skip to main content

Methacrylic Acid - Ethyl Acrylate Copolymer (1:1) Type A

Medically reviewed by Last updated on Dec 7, 2023.

Excipient (pharmacologically inactive substance)

What is it?

Methacrylic acid - ethyl acrylate copolymer (1:1) type a, also known as Methacrylic Acid Copolymer, Type C – NF, 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 in the gastrointestinal tract.[1]

List of medications using Methacrylic Acid - Ethyl Acrylate Copolymer (1:1) Type A


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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.