(2-Chloroethyl)benzene (beta-Chloroethyl)benzene 1-Chloro-2-phenylethane 2-Phenyl-1-chloroethane 2-Phenylethyl chloride 622-24-2 Benzene, (2-chloroethyl)- EINECS 210-725-6 NSC 27886 O-CHLOROETHYLBENZENE beta-Phenethyl chloride beta-Phenylethyl chloride