col·li·dine | \ ˈkäləˌdēn, -də̇n \
Definition of collidine
: any of a number of organic bases C8H11N that are the trimethyl, methyl-ethyl, and propyl homologues of pyridine, that are in general pungent oily poisonous liquids, and are obtained chiefly as by-products in the coking process or are synthesized: such as
a : the liquid symmetrical trimethyl homolog made by reaction of acetone and ammonia and used as a solvent in chromatography
— called also s-collidine, 2,4,6-collidine, 2,4,6-trimethylpyridine
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