| 单词 | propylene glycol |
| 释义 | > as lemmaspropylene glycol propylene glycol n. either of two isomeric liquid alcohols, CH2(OH)CH(OH)CH3 and CH2(OH)CH2CH2OH; spec. the 1,2-glycol (the former), which has a wide variety of uses, chiefly as a solvent or carrier, as a constituent of antifreeze, and in the food, plastic, and perfume industries. ΘΚΠ the world > matter > chemistry > organic chemistry > alcohols > [noun] > dihydric alcohols or glycols > ethyl glycol glycol1858 propylene glycol1870 1870 H. E. Roscoe Lessons Elem. Chem. (new ed.) 370 Show the relation in composition existing between propyl alcohol, propylene glycol, and glycerine. 1951 I. L. Finar Org. Chem. I. xvii. 329 Lactic acid..may be prepared: (i) By oxidising propylene glycol with dilute nitric acid. 1995 Midwest Living Feb. 111/1 The sweet taste of antifreeze attracts dogs and cats. Newer brands..contain the ingredient propylene-glycol, which..is less toxic to animals, but still can be hazardous. < as lemmas |
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