thionyl chloride
noun
thi·o·nyl chloride
ˈthī-ə-ˌnil- 
: a volatile corrosive liquid compound SOCl2 used chiefly in making acyl chlorides from carboxylic acids
Cite this Entry
“Thionyl chloride.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/thionyl%20chloride. Accessed 1 Dec. 2025.
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