Definition of thionyl in English:
thionyl
nounˈθʌɪənʌɪlˈθʌɪənɪlˈTHēəˌnil
Chemistry as modifier Of or denoting the divalent radical SO.
Example sentencesExamples
- Schedule 3 comprises a number of toxic or precursor chemicals with widespread industrial uses, such as phosgene, hydrogen cyanide, phosphorus trichloride and thionyl chloride.
- An excess of the dry commercially available alcohol was cooled to 0°C, and freshly distilled thionyl chloride was added.
- 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.
- One milliliter of dry methanol was chilled on dry ice and 0.25 mL thionyl chloride added slowly.
Origin
1857: so named by H. Schiff (see Schiff base).