Hypromellose Phthalate
Hydroxypropyl Methyl Cellulose Phthalate (HPMC-P)
(Hypromellose phthalate)
CAS:9050-31-1
SidleyCel® Hydroxypropyl Methy Cellulose Phthalate (HPMC-P) is white or off-white granular solid which is tasteless and used as enteric sugar coating material with excellent gastric acid resistance, insoluble at pH PH=5.0-5.5. It’s mainly used in tablets, granules etc and also widely used in aquaculture, biotechnology and other industries.
Comply with USP 33
ITEM | Specification | |
HP55 | HP55S | |
Methoxy (wt, %) | 18.0-22.0 | 18.0-22.0 |
Phthaloyl group (wt, %) | 27.0-35.0 | 27.0-35.0 |
Hydroxypropoxy (wt, %) | 5.0-9.0 | 5.0-9.0 |
Viscosity (mPa.s) | 32-48 | 136-204 |
Loss on drying (%) | ≤5.0 | ≤5.0 |
Residue on ignition (%) | ≤0.20 | ≤0.20 |
Chloride (%) | ≤0.07 | ≤0.07 |
Heavy metals (ppm) | ≤10 | ≤10 |
Packaging: 25KG/Barrel.