isopropyl alcohol

noun

, Chemistry.

1. a colorless, flammable, water-soluble liquid, C 3 H 8 O, produced from propylene by the action of sulfuric acid and hydrolysis: used chiefly in the manufacture of antifreeze and rubbing alcohol and as a solvent.

isopropyl alcohol

/ ī′sə-prō′pəl /

1. A clear, colorless, flammable, mobile liquid that is one of the two isomers of propyl alcohol. It is used in antifreeze compounds, rubbing alcohol, lotions, and cosmetics, and also as a solvent for gums, shellac, and essential oils. Chemical formula: C 3 H 8 O.

Word History and Origins

Origin of isopropyl alcohol¹

First recorded in 1870–75

Example Sentences

"Products sampled were found to contain isopropyl alcohol, so they are unsafe. Isopropyl alcohol is an industrial solvent and is not intended for human consumption," it said.

From BBC

In the early days of the pandemic, Mr. Trump said during a White House briefing that an “injection inside” the human body with a disinfectant like bleach or isopropyl alcohol could help combat the virus.

From New York Times

I have had good luck with isopropyl alcohol and pure acetone, but a professional may know the best process to use.

From Washington Post

Some installers use a solution of isopropyl alcohol to clean the paint and then use compressed air to blow off any remaining dirt particles.

From Seattle Times

Every evening, my mother sprayed the kitchen sink and counters with isopropyl alcohol to disinfect them.

From New York Times