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2-Ethylphenol is an organic compound with the formula C 2 H 5 C 6 H 4 OH. It is one of three isomeric ethylphenols. A colorless liquid, it occurs as an impurity in xylenols and as such is used in the production of commercial phenolic resins. It is produced by ethylation of phenol using ethylene or ethanol in the presence of aluminium phenolate. [2]
Phenethyl alcohol, or 2-phenylethanol, is an organic compound with the chemical formula C 6 H 5 CH 2 CH 2 OH. It is a colourless liquid with a pleasant floral odor. It occurs widely in nature, being found in a variety of essential oils. It is slightly soluble in water (2 ml per 100 ml of H 2 O), but miscible with most organic solvents.
2 is added with H 2 SO 4 to form phenol (Hock process). In addition to the reactions above, many other more specialized reactions produce phenols: rearrangement of esters in the Fries rearrangement [7] [8] rearrangement of N-phenylhydroxylamines in the Bamberger rearrangement [9] [10] dealkylation of phenolic ethers; reduction of quinones
[c] [2] For example, a hypothetical weak acid having K a = 10 −5, the value of log K a is the exponent (−5), giving pK a = 5. For acetic acid, K a = 1.8 x 10 −5, so pK a is 4.7. A higher K a corresponds to a stronger acid (an acid that is more dissociated at equilibrium).
The general structure of a phenol ether. In chemistry, a phenol ether (or aromatic ether) is an organic compound derived from phenol (C 6 H 5 OH), where the hydroxyl (-OH) group is substituted with an alkoxy (-OR) group.
For example, from Fe 2+ + 2 e − ⇌ Fe(s) (–0.44 V), the energy to form one neutral atom of Fe(s) from one Fe 2+ ion and two electrons is 2 × 0.44 eV = 0.88 eV, or 84 907 J/(mol e −). That value is also the standard formation energy (∆ G f °) for an Fe 2+ ion, since e − and Fe( s ) both have zero formation energy.
C 6 H 5 OH + RR'C=CH2 → RR'CH−CH 2 −C 6 H 4 OH. In this way, about 500M kg/y are produced. Alkylphenols ethoxylates are common surfactants. Long-chain alkylphenols are used extensively as precursors to detergents. By condensation with formaldehyde, some alkylphenols are components in phenolic resins. [1]
Ethylphenol may refer to: 2-Ethylphenol; 3-Ethylphenol; 4-Ethylphenol; Ethyl phenyl ether (O-ethylphenol) This page was last edited on 12 March ...