51900B WEED STOP RTU GAL | Spectracide Weed Stop, 1 gal, Liquid, Amine, Brown/Light Yellow, Compositions: 2,4-D, dimethylamine salt, Mecoprop-p dimethylamine salt, Dicamba, dimethylamine salt, Flash Point: >200 deg F, Boiling Point: 212 deg F, Specific Gravity: 1.02, pH Range: 8.5, Application Method: Spray