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Hydroxypropyl Methylcellulose (HPMC) is a semi-synthetic polymer derived from cellulose, commonly used as a thickening agent, emulsifier, and film-forming agent in pharmaceutical applications. It is soluble in cold water and forms a clear, viscous solution, making it ideal for various coating processes. HPMC is widely used in the production of film coatings for tablets and capsules, providing a protective layer that enhances stability and improves the release profile of active ingredients.
| Appearance | White to off-white powder |
| Viscosity | Typically ranges from 3,000 to 100,000 mPa┬╖s |
| Solubility | Soluble in cold water, insoluble in organic solvents |
| Moisture content | Usually less than 5% |
| pH range | Typically between 6.0 and 8.0 |
When selecting Hydroxypropyl Methylcellulose, buyers should consider the viscosity grade suitable for their application, as this affects the film-forming properties and performance. It's important to specify the desired solubility characteristics and moisture content. Additionally, buyers may want to inquire about certifications such as GMP compliance, especially for pharmaceutical applications, and provide information on the quantities required for accurate quotations.
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HPMC is used primarily as a film-forming agent in pharmaceutical coatings, as well as in food and cosmetic products.
Yes, HPMC is generally recognized as safe and is widely used in pharmaceutical formulations.
HPMC can modify the release profile of active ingredients, allowing for controlled or sustained release.
HPMC should be stored in a cool, dry place, away from moisture and direct sunlight.
Yes, HPMC is plant-derived and suitable for vegan formulations.
The viscosity of HPMC typically ranges from 3,000 to 100,000 mPa┬╖s, depending on the grade.