CHLOROFORM n.
A colorless volatile liquid, CHCl3, having an ethereal odor and a sweetish taste, formed by treating alcohol with chlorine and an alkali. It is a powerful solvent of wax, resin, etc., and is extensively used to produce anæsthesia in surgical operations; also externally, to alleviate pain.
CINNAMIC a.
mon. Cinnamic acid (Chem.), a white, crystalline, odorless substance. C6H5.C2H2C2H2.CO2H, formerly obtained from storax and oil of cinnamon, now made from certain benzene derivatives in large quantities, and used for the artificial production of indigo.