Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow PURAGUARD Propylene Glycol USP/EP Grade

Dow PURAGUARD Propylene Glycol USP/EP Grade is a high-purity, pharmaceutical-grade propylene glycol manufactured by Dow under its PURAGUARD series. Compliant with USP and European Pharmacopoeia standards, it ensures exceptional clarity, low volatility, and consistent batch-to-batch quality—ideal for parenteral, oral, and topical formulations in pharma and personal care applications.
  • dow puraguard propylene glycol usp ep grade_4cb1683a
  • dow puraguard propylene glycol usp ep grade_4cb1683a

Features Of Dow PURAGUARD Propylene Glycol USP/EP Grade

  1. Complies with stringent United States Pharmacopeia (USP) and European Pharmacopoeia (EP) monographs for propylene glycol.

  2. Manufactured under rigorous Good Manufacturing Practice (GMP)-aligned quality systems for pharmaceutical and personal care use.

  3. Low volatility and high chemical stability ensure consistent performance in sensitive formulations.

  4. Exceptionally low levels of heavy metals, aldehydes, and residual solvents to meet regulatory safety thresholds.

  5. Produced from high-purity raw materials with full traceability and comprehensive CoA documentation per batch.

Typical Applications Of Dow PURAGUARD Propylene Glycol USP/EP Grade

  1. Active pharmaceutical ingredient (API) solubilizer and co-solvent in oral liquid and injectable drug formulations.

  2. Humectant and solvent in dermatological creams, ointments, and transdermal delivery systems.

  3. Stabilizer and viscosity modifier in over-the-counter (OTC) topical and nasal sprays.

  4. Carrier fluid in fragrance and preservative blends for cosmetic and personal care products.

  5. Excipient in veterinary pharmaceuticals requiring pharmacopoeial-grade excipients.

Specifications Of Dow PURAGUARD Propylene Glycol USP/EP Grade

Chemical Type1,2-Propylene glycol
Product FormClear, colorless liquid
AppearanceTransparent, odorless to faintly sweet odor
Primary ApplicationsPharmaceutical excipient, cosmetic ingredient, food-grade humectant (where permitted)
Key FeaturesUSP/EP compliant, GMP-aligned manufacturing, low endotoxin, low residual acetaldehyde
BenefitsRegulatory confidence, formulation compatibility, enhanced product shelf life
Storage ConditionsStore in original sealed container at 15–25°C; protect from moisture and direct sunlight
Shelf Life36 months from date of manufacture when stored as recommended


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