monochloracetic

Century Dictionary and Cyclopedia

1. Noting an acid, a colorless crystalline compound, CH₂Cl.COOH, prepared by the action of chlorin on acetic acid. It crystallizes in needles or rhombic plates, melts at 62.5–63.5° C. boils at 185–187° C., and attacks the skin: used in the synthesis of indigo.