Pharm-Rx Propylene Glycol

Pharm-Rx Propylene Glycol functions as a solvent and falls under excipients within pharmaceuticals and nutraceutical technologies. It operates in over-the-counter (OTC) capacities and is commonly used for its solvent and solubilizing properties in various formulations.

Chemical Name: Propylene Glycol

CAS Number: 57-55-6

Functions: OTC, Solvent

Certifications & Compliance: California Proposition 65, FDA 29 CFR 1910.1200

Synonyms: (±)-1,2-Propanediol, (±)-Propylene glycol, (RS)-1,2-Propanediol, 1,2-(RS)-Propanediol, 1,2-Dihydroxypropane, 1,2-Propanediol, 1,2-Propylene glycol, 2-Hydroxypropanol, 2,3-Propanediol, DL-1,2-Propanediol, dl-Propylene glycol, Isopropylene glycol, Methylethyl glycol, Methylethylene glycol, Monopropylene glycol, NSC 69860, α-Propylene glycol

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    Enhanced TDS

    Identification & Functionality

    Chemical Name
    Pharma & Nutraceuticals Functions
    Molecular formula

    Propylene Glycol contains not less than 99.5% of C₃H₈O₂.

    Chemical Structure

    Propylene Glycol Chemical Structure - 1

    Applications & Uses


    Physical Form
    Typical Properties
    ValueUnitsTest Method / Conditions
    Molecular Weight76.09

    Regulatory & Compliance

    USP Reference Standards
    • USP Diethylene Glycol RS USP Ethylene Glycol RS USP Propylene Glycol RS