This product is white or light yellow powder or granule, odorless and tasteless.
In addition to enteric coating, it can also be used as polymer carrier, microcapsules and microspheres of pharmaceutical preparations and sustained-release or controlled-release preparations of drugs.
Item | USP/CP | ||
Identification | Conforms | ||
Viscosity(mPa.s) | 80%-120% | ||
Loss on drying(%) | ≤5.0 | ||
Residue on ignition(%) | ≤0.2 | ||
Free acetic and succinic acids(%) | ≤1.0 | ||
Acetyl(%) | 2.0-16.0 | ||
Succinoyl(%) | 4.0-28.0 | ||
Methoxy(%) | 12-28 | ||
Hydroxypropyl(%) | 4-23 |