1,2-Dichloro-3-propional 10140-89-3 2,3-Dichloropropanal 2,3-Dichloropropionaldehyde 4-01-00-03174 (Beilstein Handbook Reference) BRN 1742015 EINECS 233-399-7 Propionaldehyde, 2,3-dichloro- alpha,beta-Dichloropropionaldehyde