chlorohydrin

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An organic compound or functional group containing a chlorine atom and a hydroxyl group on adjacent carbon atoms.
• noun A colorless, dense, sweet-smelling, toxic liquid, C₃H₇ClO₂, used as an antifreeze for dynamite and as a sterilant for rodents.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry Any halohydrin in which the halogen is chlorine.