7142. p-tert-Pentylphenol

Nomenclature

CAS number: 80-46-6
4-(1,1-Dimethylpropyl)phenol; p-tert-amylphenol; 2-methyl-2-p-hydroxyphenylbutane; Pentaphen.
C11H16O; mol wt 164.24.
C 80.44%, H 9.82%, O 9.74%.

Description and references

Prepd by condensation of tert-pentanol or 2-methyl-3-butanol with phenol in the presence of aluminum chloride: Huston, Hsieh, J. Am. Chem. Soc. 58, 439 (1936); Huston et al., ibid. 67, 899 (1945). Physical properties: Pardee, Weinrich, Ind. Eng. Chem. 36, 595 (1944). Toxicity study: H. F. Smyth et al., Am. Ind. Hyg. Assoc. J. 23, 95 (1962).

Chemical structure

Properties

Crystals, mp 94-95°. bp 262.5°, bp740 248-250°, bp15 138.5°, bp3 112-120°. d420 0.962. Practically insol in water. Sol in alcohol, ether, benzene, chloroform. LD50 orally in rats: 3.08 g/kg (Smyth).

Use

In the manuf of oil-soluble resins; has been recommended as a germicide and fumigant; intermediate for organic mercury germicides, for pesticides, for chemicals used in rubber and petroleum industries.