Product?name: Methacrylic Acid and Methyl Methacrylate Copolymer(1:1); EUDRAGIT
Chemical?name: Methacrylic?Acid?and?Methyl?Methacrylate?Copolymer(1:1)
Cas?No.: 25086-15-1
Molecular formula??C9H14O4
Molecular weight??186.21
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Cas 25086-15-1
Description
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Detail
Product?name: Methacrylic Acid and Methyl Methacrylate Copolymer(1:1); EUDRAGIT
Chemical?name: Methacrylic?Acid?and?Methyl?Methacrylate?Copolymer(1:1)
Cas?No.: 25086-15-1
Molecular formula??C9H14O4
Molecular weight??186.21
Molecular structure:
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Specification:
| Test | Specification |
| Character | This?product?is white?powder solid, ?insoluble?in water, soluble?in?alcohol |
| Content | 46.0%-50.6% |
| Identification | IR spectroscopy?of this?product should?be?consistent with the comparison?atlas |
| Viscosity | 60-120mPa????s |
| Limit?of?monomers | ??0.05% |
| Residue on?ignition | ??0.1% |
| Loss?on?drying | ??5?.0% |
| Heavy?metals | ??20ppm |
| Arsenic | ??2ppm |
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Packing:
Cardboard drums,?lined with double-layer?polyethylene?bags,?20kg?or?25kg?per?drum
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Application:
Coating of tablets, granules, and?pills:
n Moisture-proof and?light-proof.?Maintain?drug?stability?in?tropical?environments.?Orally?resistant?to gastric acid?(liquid) to delay?intestinal?release.
n Separate?porous tablet cores?and?hygroscopic?tablet?core?openings?to?isolate?incompatible?ingredients
n Granulation can?be?used?as?a?matrix?material?to?increase?the?coating?weight?and?delay the?release of?drugs.