M Ethyltoluene

The pathways for the degradation of toluene and xylene under denitrifying and sulfate-reducing conditions have been studied most extensively, and they take place by reactions quite different from those used by aerobic bacteria. As an example, two anaerobes affiliated with known sulfate-reducing bacteria isolated from enrichments with crude oil were able to grow at the expense of a number of alkylated benzenes—strain oXySl with toluene, o-xylene, and o-ethyltoluene and strain mXySl with toluene, m-xylene, and m-ethyltoluene (Harms et al. 1999). 

Reported vapor pressures of m-ethyltoluene at various temperatures and the coefficients for the vapor pressure equations... 

FIGURE 3.1.1.13.1 Logarithm of vapor pressure versus reciprocal temperature for 1 -ethyl-3-methylbenzene (m-ethyltoluene). 

To examine selectivity relationships, the following classification of o-ethyltoluene products is proposed for simplification ethylbenzene, toluene, and benzene are dealkylation products p- and m-ethyltoluene are isomerization products. Formation of m- and p-xylenes must have involved skeletal rearrangements to have been produced from o-ethyltoluene. Accordingly, these compounds are counted as isomerization products. In all cases studied, toluene was the major dealkylation product, and m- and... 

The only studies to date that examined the competing pathways for the peroxy radical are those of Andino et al. [27] (focused on the peroxy radicals from toluene, m-xylene, p-xylene, 1,2,4-trimethylbenzene, and m-ethyltoluene), Garcia... 

C8H16 cyclooctane 292-64-8 1.080E+10 75.760 17005 C9H12 m-ethyltoluene 620-14-4 1.019E+10 80.890... 

C9H12 m-ethyltoluene 620-14-4 liquid 0.330 1 19867 C10H14 sec-butylbenzene 135-98-8 in benzene 0.390 1... 

A recent study by Ward on the photolysis of o-xylene in the vacuum ultraviolet (1600-2100 A) and at 2537 A has confirmed the observations of Wilzbach and Kaplan. Benzene, toluene, ethylbenzene, m- and p-xylene and o- and m-ethyltoluene were found in much the same proportions. Furthermore the product distribution was not altered substantially at the short wave lengths. The dimer o,o -dimethylbibenzyl was observed. A new product which was observed only in the vacuum ultraviolet photolysis was benzocyclobutene from isotopic studies this product was shown to arise from the loss of a single hydrogen atom from each of the methyl groups of o-xylene. 

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