phenoic

[Eng. pheno(l); -ic.] Derived from or containing phenol. phenoic-acid, s. Chemistry: C6H4O2. An isomer of collinic acid, obtained by heating a solution of benzene in fuming sulphuric acid to 100°, and gradually adding small pieces of acid pota ic chromate; or it may be prepared by distilling coal tar with dilute nitric acid. It has an acrid taste, is slightly soluble in cold, more soluble in boiling water, very soluble in alco hol, and melts at 60°. From a saturated hot solu tion it separates as a heavy oil, which solidifies immediately on cooling. It forms crystalline salts with the alkalies. phenol, s. [Gr. phaino =to show.] [CARBOLIC ACID.J phenol-blue, s. Chem.: Azulin. A blue dye obtained by heating five parts of peon in with six or eight parts of aniline for several hours. It is insoluble in water, but soluble in alcohol and ether.