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Shin-Etsu AQOAT

Shin-Etsu Pharma, Nutra and Food Brand

Hypromellose acetate succinate (HPMCAS, NF, JP) is an enteric coating material that can be used in aqueous or organic media. Hypromellose is a non-toxic material which has been used in pharmaceutical, food, and cosmetic industries for many years. Based on hypromellose, acetyl and succinoyl groups are introduced to the hydroxyl groups of the backbone, and this constitutes Shin-Etsu AQOAT®, hypromellose acetate succinate (HPMCAS). There are nine grades with different particle sizes (fine, medium, granular) and chemical substitution levels of acetyl and succinoyl groups to obtain an opening pH range from 5.5 to 6.5. Shin-Etsu AQOAT® is the leading polymer in solid dispersion technology. It is suitable for spray-drying, hot melt extrusion, co-precipitation and other techniques. There are more than 14 approved products in the US using Shin-Etsu AQOAT® in solid dispersion. Additionally, we designed our HME cleaner to support you with trouble free cleaning after the extrusion process. Please contact us for further information.
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  • For  enteric  coating,  various  coating  methods  can  be  applied  such  as
    aqueous,  organic  solvent,  ammonia  neutralized  and  dry  coating.  Coating
    methods  can  be  selected  depending  on  the  characteristic  of  API.  For
    example, dry coating is suitable for water and solvent sensitive API.
  • Shin-Etsu AQOAT®  is also used in solid dispersion for solubility and
    bioavailability enhancement.