propylene glycol

American  

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.

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propylene glycol British  

noun

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

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propylene glycol Scientific  

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 .

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Etymology

Origin of propylene glycol

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

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

From Reuters

Cough syrups and the ingredient, propylene glycol, both have shelf-lives of around two years.

From Reuters

DEG and EG can be used by unscrupulous actors as a cheap substitute for propylene glycol, a key ingredient in syrupy medicines, according to several pharmaceutical manufacturing experts.

From Reuters