| 释义 |
pyromeˈconic, a. Chem.
[f. pyro- 3 + meconic.]
In pyromeconic acid, a crystalline bitter acid, C5H4O3, occurring in large transparent tables; it is obtained by the dry distillation of meconic or of comenic acid. Hence pyroˈmeconate, a salt of this acid.
1836Brande Man. Chem. (ed. 4) 1023 Pyromeconic Acid. This acid is among the products of the destructive distillation of the meconic acid; it is a crystalline sublimate, which fuses at a temperature of about 250°. Ibid. The neutral pyromeconate of lead. 1838T. Thomson Chem. Org. Bodies 82 Pyromeconic acid..was first examined by Robiquet in 1832. 1866–8Watts Dict. Chem. IV. 761 With bromine water it yields bromopyromeconic acid (C5H3BrO3)... Chloride of iodine converts it into iodopyromeconic acid (C5H3IO3). |