For businesses operating in sectors such as manufacturing, automotive, and chemicals, selecting the correct grade of Propylene Glycol (PG) is crucial. As a premier supplier of CAS 57-55-6, we understand the diverse requirements that drive purchasing decisions. This guide aims to clarify the distinctions between USP and Technical Grade Propylene Glycol, helping you make an informed choice and secure your supply from a reliable manufacturer.

Propylene Glycol, chemically known as propane-1,2-diol, is a viscous, colorless liquid renowned for its humectant, solvent, and antifreeze properties. Its versatility makes it a staple in numerous industrial processes. However, not all PG is created equal. The key differentiator often lies in its grade, which dictates its purity and suitability for specific applications.

Understanding Propylene Glycol Grades

The two most common grades encountered in B2B procurement are USP (United States Pharmacopeia) grade and Technical grade. While both grades share the same fundamental chemical structure (C3H8O2), their production standards and intended uses vary significantly.

USP Grade Propylene Glycol

USP grade Propylene Glycol meets the rigorous standards set by the United States Pharmacopeia. This designation signifies a high level of purity, making it suitable for applications where human contact or consumption is involved. For industries such as pharmaceuticals, cosmetics, and food and beverage, USP grade PG is the preferred choice. Its use as a humectant in cosmetics, a solvent in pharmaceutical formulations, and an additive in food products relies on its exceptional purity and low toxicity. If you are looking to buy USP grade Propylene Glycol for these applications, ensure your supplier adheres to cGMP standards.

Technical Grade Propylene Glycol

Technical grade Propylene Glycol, while still a high-quality product, is manufactured for industrial applications where the stringent purity requirements of USP grade are not necessary. It is widely used in the production of unsaturated polyester resins, polyurethane foams, engine coolants, aircraft de-icing fluids, and as a component in various industrial solvents. The primary focus for technical grade PG is performance and cost-effectiveness. If your business requires bulk Propylene Glycol for manufacturing or industrial processes, understanding the specific purity requirements for your application is key. As a leading Propylene Glycol supplier in China, we offer competitive Propylene Glycol prices for technical grade quantities.

Choosing the Right Grade for Your Needs

When sourcing Propylene Glycol, consider the end-use:

  • Pharmaceuticals, Cosmetics, Food & Beverage: Opt for USP grade. As a reputable manufacturer, we ensure our USP grade PG meets all regulatory requirements.
  • Industrial Manufacturing, Antifreeze, Resins: Technical grade is typically sufficient and more cost-effective. We provide excellent wholesale Propylene Glycol options for industrial buyers.

As a dedicated Propylene Glycol distributor, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-quality products and exceptional service. We understand the importance of a stable supply chain and competitive pricing. Whether you need USP grade for sensitive applications or technical grade for large-scale industrial processes, we are your trusted source for Propylene Glycol (CAS 57-55-6).

To learn more about our product offerings or to request a quote for bulk Propylene Glycol, please contact us today. We are ready to support your business with reliable supply and expert advice.