Family having a picnic
  • Propylene Glycol

DOW PuraGuard™ Propylene Glycol USP/EP follows the industry’s most rigorous quality-control processes – including adherence to Good Manufacturing Practices (GMP) based on guidelines from The Joint IPEC-PQG Good Manufacturing Practices Guide for Pharmaceutical Excipients. Dow is the first company to achieve third-party IPEC GMP certification for propylene glycol (PG) from International Pharmaceutical Excipients Auditing, Inc. (IPEA) for its PG manufacturing facilities in Freeport, Texas, and Plaquemine, Louisiana. Dow’s commitment to GMP throughout the supply chain enables DOW PuraGuard PG USP/EP to be handled according to stringent requirements for consistent purity.

DOW PuraGuard PG USP/EP is tested against and certified
according to the specific requirements
of the following standards:

  • United States Pharmacopeia (USP)
  • European Pharmacopoeia (PhEur or EP)
  • Japanese Pharmacopoeia (JP)
  • Food Chemicals Codex (FCC)
  • All Plants Kosher Certified, Most are Halal Certified

The global Sales Specification and Certificate of Analysis for
DOW PuraGuard PG USP/EP list compliance to all items in these monographs and also additional specific Dow requirements.

DOW PuraGuard™ PG USP/EP also adheres to the following standards and guidelines:

  • Good Manufacturing Practices Guide for Pharmaceutical Excipients –The Joint IPEC-PQG Good Manufacturing Practices Guide
  • Guidelines for Handling and Distribution of Propylene Glycol USP/EP – European Chemical Industry Council (Cefic)
  • European Single Assessment Document for Distributors, Appendix F&G – Cefic and the European Association of Chemical Distributors (FECC)
  • Good Distribution Practices Guide for Pharmaceutical Excipients – IPEC
  • Meets the requirements and standards of Brazilian Pharmacopoeia (Farmacopeia Brasileira)

Though the IPEA third-party IPEC GMP certification has been received by two North American PG USP/EP manufacturing sites, Dow’s stringent global manufacturing standards for DOW PuraGuard PG USP/EP enable the availability of the same consistently pure, high-quality product around the world.

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DOW PuraGuard™: Your Security for Purity (3:34)


DOW PuraGuard™: Your Security for Purity (7:38)