1928-45-6 2,4-D butoxypropyl ester 2,4-D propylene glycol ether ester 2,4-D, BUTOXYPROPYL ESTER 2,4-Dichlorophenoxyacetic acid 3-butoxypropyl ester 2,4-Dichlorophenoxyacetic acid, propylene glycol butyl ether ester 3-Butoxypropyl 2,4-dichlorophenoxyacetate Acetic acid, (2,4-dichlorophenoxy)-, 3-butoxypropyl ester Acetic acid, 2,4-dichlorophenoxy-, 3-butoxypropyl ester Butoxypropyl 2,4-dichlorphenoxyacetate Caswell No. 315AK Dow Weed Killer X EPA Pesticide Chemical Code 030055 HSDB 3424