... s.g.=1.416 at 25 CVapor Pressure: 1.4 x 10-7 mm Hg at 25 CSolubility: water = ... irritantDermal Sensitization: not a dermal sensitizer Use Profile2,4-D comes in multiple chemical forms and is ... , and wettable powder. Application Rates: For 2,4-D, rates per application and rates per year are ... submerged aquatic plants. Application Timing: Timing of 2,4-D application can include at emergence, before bud ...