Hydroxypropyl Methylcellulose Phthalate, USP 55 HP
Product Description
| Product | Hydroxypropyl Methylcellulose Phthalate, USP 55 HP |
| CAS | 9050-31-1 |
| Synonym | HPMCP, Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether, Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride |
Typical Product Specifications
| Description | White to slightly off-white powderSubstitution t |
| Phathalyl Content | (%) 27.0 - 35.0 |
| Free Phthalic Acid | NMT 1.0% |
| Sensoric | White Powder |
| Apparent Viscosity | 32 - 48 cSt |
| Arsenic PPM | NMT 2 ppm |
| Sulfated Ash | NMT 0.2% |
| Methoxyl Content | 18.0 - 22.0 |
| HydroxyPropoxy Content | 7.0 - 12.0 |
| Heavy Metals; USP <231> | NMT 10 ppm |
| Loss on Drying | NMT 5.00% |
| Chlorides | NMT 0.07% |
| pH | (1% solution) 5.0 - 9.0 |
| Notes | Shelf Life: Three years if stored at room temperature in unopened, original packs in dry condition
Application: This solvent soluble polymer provides an enteric coating using general coating method Use: ORAL CARE |
| Class | Excipients - Food Colors - Binders and Tableting Aids |
| Function | Excipients & Emulsifiers |
| Industry | Nutrition, Pharmaceutical |
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