Definition of thionyl in English:

thionyl

nounˈθʌɪənʌɪlˈθʌɪənɪlˈTHēəˌnil

Chemistry

as modifier Of or denoting the divalent radical SO.
thionyl chloride
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).

Definition of thionyl in US English:

thionyl

nounˈTHēəˌnil

Chemistry

as modifier Of or denoting the divalent radical SO.
thionyl chloride
Example sentencesExamples
- The methyl halide can be produced by reacting methanol with phosphorous halides, hydrogen halides, or, in the case of methyl chloride, thionyl chloride.
- One milliliter of dry methanol was chilled on dry ice and 0.25 mL thionyl chloride added slowly.
- Schedule 3 comprises a number of toxic or precursor chemicals with widespread industrial uses, such as phosgene, hydrogen cyanide, phosphorus trichloride and 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.
- An excess of the dry commercially available alcohol was cooled to 0°C, and freshly distilled thionyl chloride was added.

Origin

1857: so named by H. Schiff (see Schiff base).

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