Oryzalin

Trade name(s) Surflan, Fugitive

Manufacturer(s) United Phosphorus, ADAMA

Formulation(s) 4 lb/gal flowable

Remarks A selective preemergence herbicide. Oryzalin affects seed germination and inhibits root development. It is strongly adsorbed onto soil and resists movement by water.

Water solubility 2.5 ppm

Storage conditions Store above 40°F. If frozen, warm and agitate.

Acute toxicity LD50 - 10,000 mg/kg

Action in plant Inhibits mitosis, primarily in roots.

Site of action Group 3: microtubule assembly inhibitor

Chemical family Dinitroaniline

Koc Average is 600 mL/g, but ranges from 93-2700 mL/g