Definition of thionyl in English:

thionyl

Syllabification: thi·o·nyl
Pronunciation: /ˈTHēəˌnil
 
/

noun

[as modifier] Chemistry
Of or denoting the divalent radical =SO.
More example sentences
  • The methyl halide can be produced by reacting methanol with phosphorous halides, hydrogen halides, or, in the case of methyl chloride, thionyl chloride.
  • The resulting ester was saponified under basic conditions to the free acid, converted to the acyl chloride with thionyl chloride, and then to the amide with anhydrous ammonia gas.
  • Schedule 3 comprises a number of toxic or precursor chemicals with widespread industrial uses, such as phosgene, hydrogen cyanide, phosphorus trichloride and thionyl chloride.

Origin

1857: so named by Hugo Schiff (1834–1915), German chemist.

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