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

SK PG USP Propylene Glycol USP Grade

SK PG USP Propylene Glycol USP Grade is a high-purity, pharmaceutical-grade propylene glycol manufactured by SK Chemicals under strict USP and FDA compliance. It meets stringent specifications for safety, clarity, and low volatility—ideal for oral, topical, and injectable formulations. This non-toxic, odorless, water-miscible liquid serves as solvent, humectant, and stabilizer across pharma, cosmetics, and food industries.
  • sk pg usp propylene glycol usp grade_7e0b89da
  • sk pg usp propylene glycol usp grade_7e0b89da

Features Of SK PG USP Propylene Glycol USP Grade

  1. Complies fully with United States Pharmacopeia (USP) monograph requirements for Propylene Glycol.

  2. High-purity, low-volatility liquid with exceptional batch-to-batch consistency and traceability.

  3. Non-toxic, colorless, odorless, and virtually non-irritating—suitable for sensitive pharmaceutical and personal care formulations.

  4. Excellent hygroscopicity and solvent compatibility with water, alcohols, and many polar organic compounds.

  5. Manufactured under cGMP-compliant conditions with rigorous quality control and full regulatory documentation support.

Typical Applications Of SK PG USP Propylene Glycol USP Grade

  1. Pharmaceutical excipient in oral liquids, injectables, topical gels, and ointments.

  2. Humectant and solvent in cosmetic formulations including creams, lotions, and serums.

  3. Carrier and stabilizer in vaccine and biologics manufacturing processes.

  4. Base ingredient in FDA-registered over-the-counter (OTC) drug products.

  5. Formulation aid in food-grade flavorings and dietary supplement delivery systems.

Specifications Of SK PG USP Propylene Glycol USP Grade

Chemical TypeOrganic diol (1,2-propanediol)
Product FormClear, colorless liquid
AppearanceColorless, odorless, viscous liquid
Assay (C₃H₈O₂)99.5–100.5% w/w
Water Content≤ 0.2% w/w
Residue on Evaporation≤ 0.1% w/w
pH (10% aqueous solution)4.0–7.0
Heavy Metals (as Pb)≤ 10 ppm


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