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p-Cresol is a major component in pig odor. [11] Temporal glands secretion examination showed the presence of phenol and p-cresol during musth in male elephants. [12] [13] It is one of the very few compounds to attract the orchid bee Euglossa cyanura and has been used to capture and study the species.
In its chemical structure, a molecule of cresol has a methyl group substituted onto the ring of phenol. There are three forms of cresol: ortho-cresol (o-cresol), meta-cresol (m-cresol), and para-cresol (p-cresol). These forms occur separately or as a mixture, which can also be called cresol or more specifically, tricresol.
P-cresol was seen to be the easiest to degrade through the sulfate-enriched environment, while m-cresol and o-cresol where inhibited. [108] In the chart above, p-cresol was oxidized under an anaerobic sulfate reducing condition and formed four different intermediates. [ 108 ]
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Dinitro-ortho-cresol This page was last edited on 7 January 2024, at 21:57 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 License ...
The branching density, determined by the processing conditions, m- vs p-cresol ratio, as well as CH 2 O/cresol ratio is typically around 15%. [1] Novolaks are especially important in microelectronics where they are used as photoresist materials. [2] [3] They are also used as tackifiers in rubber.
For industrial applications the chemical is synthesized from p-cresol using aromatic substitution with bromine followed by nucleophilic substitution with sodium methoxide. [1] Oxidation of the methyl group to an aldehyde can occur via various synthetic methods.
The 2,6-diformyl derivative of p-cresol is the most common isomer and is a white solid at room temperature. Diformylcresol condenses with amines to give diimines that are widely studied as binucleating ligands. [2] [3]