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Propylene Glycol USP is a colorless, odorless, and hygroscopic liquid that is widely used as a carrier in pharmaceutical formulations. It is synthesized from propylene oxide and is recognized for its ability to dissolve a wide range of substances, making it an effective solvent and stabilizer in various applications. As a non-toxic and GRAS (Generally Recognized As Safe) substance, it is commonly utilized in both pharmaceutical and food industries.
| Chemical formula | C3H8O2 |
| Purity | Minimum 99.5% |
| Appearance | Clear, colorless liquid |
| Boiling point | 188.2 °C |
| Molecular weight | 76.09 g/mol |
When selecting Propylene Glycol USP, buyers should consider the required purity level, as this can affect the suitability for specific applications. It is important to specify the intended use, as different industries may have varying regulatory requirements. Additionally, buyers should inquire about certifications such as USP compliance and request information on batch sizes and lead times for delivery.
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It is primarily used as a solvent and carrier in pharmaceutical and cosmetic formulations.
Yes, it is classified as Generally Recognized As Safe (GRAS) for food and pharmaceutical use.
Propylene Glycol is non-toxic and safe for food and pharmaceutical use, while Ethylene Glycol is toxic and not suitable for these applications.
Yes, it is commonly used in food products as a carrier and preservative.
It should be stored in a cool, dry place away from direct sunlight and heat sources.
It is produced through the hydration of propylene oxide.