Child with cough syrup in spoon
  • Propylene Glycol

Purity Plus

Purity Plus describes Dow’s dedication to pure excellence in propylene glycol. Dow has a very high dedication to consistent quality and purity which governs the entire product supply process for products like DOW PuraGuard™ Propylene Glycol USP/EP and Propylene Glycol USP/EP.

"Your Security for Purity"

When purity matters, turn to the product that offers confidence and security. DOW PuraGuard™ Propylene Glycol USP/EP offers among the highest purity and most consistent quality available – with a specified purity of 99.8 percent or greater, non-detectable MEG/DEG contents, adherence to Joint IPEC-PQG Good Manufacturing Practices for Pharmaceutical Excipients, and a two-year shelf life when stored according to Dow’s recommendations.

Dow’s propylene glycol is backed by Purity Plus with quality, supply chain and exceptional solutions. Learn more about DOW PuraGuard™ PG USP/EP for pharmaceutical, food, personal care and animal feed applications in our new literature.

™PuraGuard is a trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow.
The DOW PuraGuard™ trade name is currently commercially available only in North America, in conjunction with IPEA GMP certification.


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


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