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EUDRAGIT® S 12,5 are anionic copolymers based on methacrylic acic and methyl methacrylate.
Physical properties: It is a colourless and clear to slightly cloudy liquid with the characteristic odour of isopropyl alcohol.
Product Form: Organic Solution 12,5% Targeted Drug Release Area: Colon Delivery Dissolution: above pH 7.0
CAS number: 25086 – 15 – 1 Chemical/IUPAC name: Poly(methacylic acid-co-methyl methacrylate) 1:2 INCI name: Acrylates Copolymer
Ph. Eur.: Methacrylic Acid - Methyl Methacrylate Copolymer (1:2) USP/NF: Methacrylic Acid Copolymer, Type B - NF JPE: n/a
GMP standard: The Joint IPEC – PQG Good Manufacturing Practice Guide for Bulk Pharmaceutical Excipients 2006 and USP-NF General Chapter <1078>
Drug Master File: # 1242 Weight average molar mass: approx. 125,000 g/mol Acid Value: 190 mg KOH/ g polymerGlass Transition Temperature (Tg): >130°C (+/- 5°C)An according EIP format is available on request.