3902 Flumioxazin Flumioxazin is a broad-spectrum contact herbicide. It works by interfering with the plants’ production of chlorophyll. Treated plants will respond quickly to treatment and rapidly decompose. Flumioxazin is an N-phenylphthalimide herbicide. The mode of action in this family of herbicides is believed to be inhibition of protoporphyrinogen oxidase, an enzyme important in the synthesis of chlorophyll. Mechanistic study findings suggest that porphyrins accumulate in susceptible plants causing photosensitization, which leads to membrane lipid peroxidation. The peroxidation of membrane lipids leads to irreversible damage of membrane function and structure in susceptible plants. Treatment of soil with flumioxazin will cause susceptible emerging plants to turn necrotic and die shortly after exposure to sunlight. Flumioxazin is used on soybeans, peanuts, orchard fruits and other crops. Flumioxazin is also used to controls invasive Eurasian watermilfoil (Myriophyllum spicatum) and curlyleaf pondweed (Potamogeton crispus). Flumioxazin has been used as an agricultural chemical since 2001, and was conditionally registered for aquatic use in 2010. 103361-09-7 92425 C19H15FN2O4 White powder. 201 - 204°C No indication of carcinogenicity to humans (not listed by IARC). This is a man-made compound that is used as a pesticide. 2013-04-25T07:56:51Z 2026-03-31T18:41:58Z C11035 true FC1=CC2=C(C=C1N1C(=O)C3=C(CCCC3)C1=O)N(CC#C)C(=O)CO2 C19H15FN2O4 InChI=1S/C19H15FN2O4/c1-2-7-21-15-9-14(13(20)8-16(15)26-10-17(21)23)22-18(24)11-5-3-4-6-12(11)19(22)25/h1,8-9H,3-7,10H2 FOUWCSDKDDHKQP-UHFFFAOYSA-N 354.3318 354.101585183 Exogenous Solid HMDB34854 CHEMBL2133606 83443 CHEM002808 DTXSID7032555 NS00010176 66.92 89.81929999999997 35.258763508806965 2 4 0 1.0336608372712632 0 4 1.49 -3.95 4.00e-02 g/l