Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Cas 25086-15-1
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
Description
Methacrylic Acid and Methyl Methacrylate Copolymer(1:1) Detail
Product?name: Methacrylic Acid and Methyl Methacrylate Copolymer(1:1)
Chemical?name: Methacrylic acid??methyl methacrylate copolymer; polymethacrylate; eudragit
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.
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