Chloral Hydrate (CAS No. 302-17-0) is synthesized by the chlorination of ethanol. The structural formula is given in section 7. The CAS name is 2, 2, 2-trichloro-1, 1-ethanediol. Synonyms include Chloral monohydrate,trichloroacetaldehyde hydrate, trichloroacetaldehyde monohydrate, and 1,1,1-trichloro-2,2-dihydroxyethane.