propylene glycol

noun

, Chemistry.

1. a colorless, viscous, hygroscopic liquid, C 3 H 8 O, used chiefly as a lubricant, as an antifreeze, as a heat transfer fluid, and as a solvent for fats, oils, waxes, and resins.

propylene glycol

noun

1. a colourless viscous hydroscopic sweet-tasting compound used as an antifreeze and brake fluid. Formula: CH 3 CH(OH)CH 2 OH Systematic name1,2-dihydroxypropane

propylene glycol

1. A colorless, viscous liquid used in antifreeze solutions, in hydraulic fluids, and as a solvent. Unlike ethylene glycol, it is not toxic and is also used in foods, cosmetics, and oral hygiene products. Chemical formula: C 3 H 8 O 2 .

Word History and Origins

Origin of propylene glycol¹

First recorded in 1880–85

Example Sentences

The Public Prosecutor said that between October 2021 and February 2022 the company received two batches of propylene glycol, which is used for making cough syrup.

From BBC

In June, the WHO told Reuters its working theory was that in 2021, when prices of propylene glycol spiked, one or more suppliers mixed the cheaper toxic liquids with the legitimate chemical.

From Reuters

In a July 17 statement, the American Heart Association flagged “independent health risks” in the nicotine, including the flavoring agents, sweeteners, propylene glycol and vegetable glycerol used to make e-cigarettes.

From Washington Times

In a statement published Monday, the American Heart Association flagged “independent health risks” in the nicotine, flavoring agents, sweeteners, propylene glycol and vegetable glycerol used to make e-cigarettes.

From Washington Times

"Marion bought commercial-grade propylene glycol," said a second source, an investigator, who declined to be named while the inquiry is ongoing.

From Reuters