| 单词 | pyrotartaric acid |
| 释义 | > as lemmaspyrotartaric acid pyrotartaric acid n. a crystalline carboxylic acid obtained from the destructive distillation of tartaric acid.Systematic name: methylbutanedioic acid; HOOCCH(CH3)CH2COOH. Also called methylsuccinic acid. ΚΠ 1794 G. Pearson tr. L. B. Guyton de Morveau et al. Table Chem. Nomencl. 15 Basis of Pyro-tartaric Acid. 1819 J. G. Children Ess. Chem. Anal. 280 Pyrotartaric acid..is solid, extremely acid to the taste, and reddens vegetable blues strongly. 1866 W. Odling Lect. Animal Chem. 36 Diatomic Fatty Acid Series: C5H8O4 Pyrotartric. 1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 121 When further heated it [sc. tartaric acid] yields anhydrides,..pyruvic acid, pyrotartaric acid and other products. 1953 I. Heilbron & H. M. Bunbury Dict. Org. Compounds (rev. ed.) III. 509/1 Methylsuccinic Acid (Pyrotartaric acid). < as lemmas |
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