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Glycerin USP, also known as glycerol, is a colorless, odorless, and viscous liquid that is widely used in the pharmaceutical industry as a carrier and solvent. It is derived from plant oils and animal fats through a process called hydrolysis or saponification. Glycerin is known for its hygroscopic properties, allowing it to retain moisture and enhance the stability of formulations. It is typically used in various pharmaceutical applications, including topical formulations, oral medications, and as a sweetening agent in syrups.
| Purity | Minimum 99.5% |
| Appearance | Clear, colorless liquid |
| Viscosity | Approx. 1.5 mPa·s at 20°C |
| Boiling Point | 290°C |
| Melting Point | -38°C |
When selecting Glycerin USP, buyers should consider the purity level required for their specific application, as well as any relevant certifications such as USP compliance. It is also important to specify the intended use, as this may influence the viscosity and other physical properties needed. Quantities may vary based on production needs, so buyers should assess their requirements carefully before requesting a quote.
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USP glycerin meets specific purity and quality standards set by the United States Pharmacopeia.
Yes, glycerin is commonly used as a food additive and is generally recognized as safe.
Yes, glycerin is widely used in cosmetics and topical formulations due to its moisturizing properties.
Glycerin should be stored in a cool, dry place away from direct sunlight.
Yes, glycerin is an effective solvent for many pharmaceutical and cosmetic ingredients.
When stored properly, glycerin has a shelf life of several years.