noun
definition
Any of four isomeric univalent hydrocarbon radicals, C4H9, formally derived from butane by the loss of a hydrogen atom.
definition
A synthetic rubber made by the polymerization of isobutylene.
Examples of butyl in a Sentence
Considering derivatives primarily concerned with transformations of the hydroxyl group, we may regard our typical acid as a fusion of a radical R CO - (named acetyl, propionyl, butyl, &c., generally according to the name of the hydrocarbon containing the same number of carbon atoms) and a hydroxyl group. By replacing the hydroxyl group by a halogen, acid-haloids result; by the elimination of the elements of water between two molecules, acid-anhydrides, which may be oxidized to acid-peroxides; by replacing the hydroxyl group by the group. SH, thio-acids; by replacing it by the amino group, acid-amides (q.v.); by replacing it by the group - NH NH2, acid-hydrazides.
Isobutyl alcohol, (CH 3) 2 CH CH 2 OH, the butyl alcohol of fermentation, is a primary alcohol derived from isobutane.
Nencki showed, however, that if both these organisms occur together, the resulting products contain large quantities of normal butyl alcohol, a substance neither bacterium can produce alone.
Allowing ETBE to qualify for the federal tax subsidies reduces the growth of MTBE (methyl tertiary butyl ether ), its main competitor.
Referring to the butyl rubber liner she commented that WRG would rather work in rubber than with piles any day!
However, as street drugs, the alkyl nitrites (usually butyl nitrite) come in small bottles with screw or plug tops.
Fresh cut pole wood from a nearby forest formed the rafters, the rough boards covered with butyl rubber for waterproofing.
Normal propyl alcohol is contained in the fusel oil of the marc brandy of the south of France, and isoprimary butyl alcohol in that of beet-root molasses.
In one study, the combination of 3 percent butyl methoxydibenzoyl-methane and 7 percent padimate O was the most effective of all sunscreens tested.