Propylene Glycol, USP
CAS Number: 57-55-6. High purity Propylene Glycol that meets the current USP monograph requirements.
(IUPAC name: propane-1,2-diol), a-propylene glycol, 1,2-propanediol, 1,2-dihydroxypropane, methyl ethyl glycol (MEG), methylethylene glycol, PG, Sirlene, Dowfrost®.
A clear viscous, colorless liquid, which is nearly odorless and possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH. Propylene Glycol contains two alcohol groups, it is classed as a diol. It's miscible with a broad range of solvents, including water, acetone, and chloroform. In general, glycols are non-irritating and have very low volatility.