... 75-7Color : whitePhysical State: crystalline SolidMelting Point/Boiling Point: m.p. 138-141 CDensity/Specific Gravity: s.g.=1.416 at ... , water dispersible granules, and wettable powder. Application Rates: For 2,4-D, rates per application and rates per year are generally ... foot for submerged aquatic plants. Application Timing: Timing of 2,4-D application can include at emergence, before bud break, during ...