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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.
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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 ]
m-Cresol is used to produce certain herbicides, as a precursor to the pyrethroid insecticides, to produce antioxidants, and to manufacture the explosive, 2,4,6-nitro-m-cresol. [citation needed] p-Cresol is used largely in the formulation of antioxidants and in the fragrance and dye industries.
meta-Cresol, also 3-methylphenol, is an organic compound with the formula CH 3 C 6 H 4 (OH). It is a colourless, viscous liquid that is used as an intermediate in the production of other chemicals. It is a derivative of phenol and is an isomer of p-cresol and o-cresol. [3]
p-Chlorocresol, or 4-chloro-3-methylphenol (ClC 6 H 3 CH 3 OH), also known as p-chloro-m-cresol, is a potent disinfectant and antiseptic. [1] It appears as a pinkish white crystalline solid. [2] It is also used as a preservative [3] in cosmetics and medicinal products for both humans and animals. It is used as an active ingredient in some ...
The systematic name of this enzyme class is 4-cresol:acceptor oxidoreductase (methyl-hydroxylating). Other names in common use include p-cresol–(acceptor) oxidoreductase (hydroxylating), and p-cresol methylhydroxylase. This enzyme participates in toluene and xylene degradation. It has 2 cofactors: FAD, and Cytochrome c.