Propylene Glycol (CAS 57-55-6) is a chemical compound available in various grades, each tailored for specific applications. Understanding the distinctions between USP (United States Pharmacopeia), Food Grade, and Industrial Grade is crucial for ensuring product quality, safety, and regulatory compliance. As a leading Chinese manufacturer and supplier, we offer all grades to meet your diverse requirements.

USP Grade Propylene Glycol is manufactured to meet the stringent standards set by the United States Pharmacopeia. This grade is of the highest purity and is intended for pharmaceutical and medical applications, including use as an excipient in drugs, intravenous solutions, and as a solvent in various medical preparations. Its production involves rigorous quality control and testing to ensure it is safe for human consumption and therapeutic use.

Food Grade Propylene Glycol also adheres to high purity standards, typically meeting requirements set by regulatory bodies like the FDA and the European Food Safety Authority (EFSA). It is widely used in the food and beverage industry as a humectant, solvent for flavors and colors, and emulsifier. Its GRAS (Generally Recognized As Safe) status for food applications makes it a preferred ingredient for a vast array of products, from baked goods to beverages.

Industrial Grade Propylene Glycol, while still a high-quality chemical, may have slightly different purity specifications compared to USP and Food grades. It is commonly used in a broader range of industrial applications such as the manufacturing of unsaturated polyester resins, paints, coatings, and as a component in antifreeze and de-icing fluids. While suitable for many industrial processes, it is not intended for direct consumption or pharmaceutical use.

When deciding which grade to buy, consider your application's specific requirements. For pharmaceutical or food products, always opt for USP or Food Grade Propylene Glycol. For general industrial uses where human consumption is not a factor, Industrial Grade may be sufficient and cost-effective.

We are committed to providing consistent quality across all grades of Propylene Glycol. As a trusted manufacturer in China, we ensure that each grade meets its respective standards. Choosing the right grade is essential for the success of your product, and we are here to guide you in making the optimal selection for your needs.