Customization: | Available |
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CAS No.: | 9050-31-1 |
Formula: | C14h16n4 |
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Features:
Hydroxypropylmethylcellulose phthalate (HPMC-P) is a synthetic polymer commonly used in pharmaceuticals, building materials, personal care products, and more. The following are its general physical and chemical properties:
Physical properties:
Appearance: Usually white or white-like powdery substance.Chemical properties:
Chemical structure: HPMC-P is polymerized from methacrylate monomers and phthalate monomers, and has functional groups such as hydroxyl and acryloyl groups.It should be noted that the properties of specific HPMC-P may vary depending on the manufacturer, product grade and use, so it needs to be evaluated based on actual conditions in specific applications.
Items | Specification |
Methoxy (WT%) | 18.0-22.0 |
Hydroxypropoxy (WT%) | 5.0-9.0 |
Phthaloyl group (WT%) | 27.0-35.0 |
Viscosity (mPa.s)(10%solu.,20±0.1ºC) | 32-48 |
Loss on drying (%) | ≤ 5.0 |
Chloride (%) | ≤ 0.07 |
Residue on ignition (WT%) | ≤ 0.20 |
Heavy Metals (ppm) | ≤ 10 |
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