Also found in: Thesaurus, Medical, Acronyms, Wikipedia.


Relating to or being a hydrocarbon unit, C3H7, that can occur as a substituent in an organic compound or as an ion or radical.

pro·pyl′ic adj.


(Chemistry) (modifier) of, consisting of, or containing the monovalent group of atoms C3H7-: a propyl group or radical.
[C19: from prop(ionic acid) + -yl]


(ˈproʊ pɪl)

either of two univalent isomeric groups with the formula C3H7.
[1840–50; prop(ionic acid) + -yl]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.propyl - the monovalent organic group C3H7- obtained from propane
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
References in periodicals archive ?
To examine potential contamination of specimens, we also compared the distributions of free phenol and paraben concentrations as a percentage of the total concentration for the five compounds with sufficient detection: BPA, butyl paraben, methyl paraben, propyl paraben, and benzophenone-3.
In these same studies we discovered the metabolic route of formation of normal propyl alcohol, the fusel oil component that does not correspond directly to any amino acid.
Of these compounds only propyl gallate and TBHQ were able to inhibit lipid oxidation in cooked ground beef.
The broth had been supplemented with either L-ascorbic acid or propyl gallate alone or in combination with lactic acid.
15) the sonication effects are large for ethyl and propyl acetates, indicating a considerable interaction of esters with the solvent system.
Products: E-Series glycol ethers products, including: Butyl Cellosolve[TM] solvent (EB), Butyl Carbitol[TM] solvent (DB), Butyl Cellosolve acetate (EB acetate), Butyl Carbitol (DB acetate), Butoxytriglycol (BTG), Solvent GP, Butoxypolyglycol Basic, Carbitol solvent (DE), Ethoxytriglycol (ETG), Ethoxypolyglycol (EPG), Methyl Carbitol (DM), Methyl Carbitol fuel additive grade, Methyoxytriglycol (MTG), DALPAD[R] A, DOWANOL[R] EPH, DOWANOL EPH low phenol, Hexyl Cellosolve, Hexyl Carbitol, and Propyl Cellosolve solvent (EP)
The former EC Scientific Committee for Food (SCF) evaluated the parabens in 1994 and allocated a temporary group ADI of 0-10 mg/kg bw (milligrams/kilogramme body weight), for the sum of methyl, ethyl and propyl p-hydroxybenzoic acid esters and their sodium salts.
Kingsport, TN-based Eastman Chemical Company has introduced Methyl Propyl Ketone, its non-HAP solvent for pre-saturated industrial wipes.
Peak concentrations of propyl nitrate and butyl nitrate in south-central Kansas were 51 and 68 parts per trillion, respectively.
Propyl gallate (PG) complexes have been successfully used for adsorptive stripping of other metals such as chromium and uranium (7).
The final topping of this unhealthy concoction is lots of preservatives, such as BHA, BHT, Ethoxyquin, propyl gallate, benzoate of soda plus artificial colorings and flavorings.