405-79-8

white to light beige crystalline powder

4-Fluorophenoxyacetic acid (4FPA) induces parthenocarpy. 4-Fluorophenoxyacetic acid (4FPA) protects cereals from piercing-sucking insects and thereby increases rice yield in the field[1][2].

Store at -20°C

Crystallise the acid from EtOH or H2O. [Hayes & Branch J Am Chem Soc 65 1555 1943, Beilstein 6 III 971, 6 IV 776.]

[1] Burton R. Anderson. et al. Control of Annual Bluegrass and Crabgrass in Turf with Fluorophenoxyacetic Acids. Weed Science. January 1958 , pp. 52-58.
[2] Wanwan Wang, et al. Induction of Defense in Cereals by 4-fluorophenoxyacetic Acid Suppresses Insect Pest Populations and Increases Crop Yields in the Field. Proc Natl Acad Sci U S A. 2020 Jun 2;117(22):12017-12028. DOI:10.1073/pnas.2003742117