Here, there are three identical alkyl groups attached to carbon atoms 2, 3, and 3.

It may be prepared in the ordinary manner of alkyl bromides, by reacting isopropanol with phosphorus and bromine, or with phosphorus tribromide.

Several animal and vegetable oils are being displaced in the food market as a result of health factors biodiesel from these resources could offer a high value alternative market for oilseed and tallow producers.

The general formula for such an acyl halide can be written RCOX, where R may be, for example, an alkyl group, CO is the carbonyl group, and X represents the halide, such as chloride.

Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group R N2 X where R can be any organic residue such alkyl or aryl and X is an inorganic or organic anion such as a halogen.

By the time the last Neanderthal disappeared in Europe, 27,000 years ago, our direct ancestors had already, and for 5,000 years, been crawling into the belly of the earth, where in the light of the flickers of tallow candles, they had brought into being the great art of the Upper Paleolithic.

A sulfonic acid (or sulphonic acid) refers to a member of the class of organosulfur compounds with the general formula R S( O)2 OH, where R is an organic alkyl or aryl group and the S( O)2 OH group a sulfonyl hydroxide.

Syria further asserts that these pollutants, combined with the presence of organics (particularly phthalic esters, n paraffins and alkyl IPA) in the external patinas, are evidence of pollution caused by burning oil and, therefore, probably a consequence of Iraq's invasion and occupation of Kuwait.