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EC number: 284-895-5
CAS number: 84989-06-0
The fraction of tar acids, rich in 2,4- and 2,5-dimethylphenol, recovered by distillation of low-temperature coal tar crude tar acids.
Temperature is not reported in the Blackman Article
pKa: 10.2 - 10.6 at 25 °C
Values of individual constituents:
2,4-xylenol: 10.6 at 25 °C
2,5-xylenol: 10.4 at 25 °C
3,5-xylenol: 10.2 at 25 °C
The reported values for the dissociation constants of the main
constituents of Tar acids, xylenol fraction range from pKa values of
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