(2-Methyl-4-chlorophenoxy)acetic acid, diethanolamine salt 20405-19-0 Acetic acid, ((4-chloro-o-tolyl)oxy)-, compd. with 2,2'-iminodiethanol (1:1) Bis(2-hydroxyethyl)ammonium 4-chloro-o-tolyloxyacetate Caswell No. 557E Diethanolamine 2-methyl-4-chlorophenoxyacetate EINECS 243-792-5 EPA Pesticide Chemical Code 030511 MCPA diethanolamine salt