Fluroxypyr is an herbicide in the class of synthetic auxins. It is used to control broadleaf weeds and woody brush.^[2] It is formulated as the 1-methylheptyl ester (fluroxypyr-MHE).^[3]

Quick Facts Names, Identifiers ...

Fluroxypyr

Names
Preferred IUPAC name [(4-Amino-3,5-dichloro-6-fluoropyridin-2-yl)oxy]acetic acid
Identifiers
CAS Number	69377-81-7 Y 81406-37-3 (1-Methylheptyl ester) Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:82017 Y
ChemSpider	45757
ECHA InfoCard	100.126.253
PubChem CID	50465
UNII	8O40SHO197 Y 9W47M4YJ3Q (1-Methylheptyl ester) Y
CompTox Dashboard (EPA)	DTXSID2034627
InChI InChI=1S/C7H5Cl2FN2O3/c8-3-5(11)4(9)7(12-6(3)10)15-1-2(13)14/h1H2,(H2,11,12)(H,13,14) Key: MEFQWPUMEMWTJP-UHFFFAOYSA-N InChI=1/C7H5Cl2FN2O3/c8-3-5(11)4(9)7(12-6(3)10)15-1-2(13)14/h1H2,(H2,11,12)(H,13,14) Key: MEFQWPUMEMWTJP-UHFFFAOYAO
SMILES Fc1nc(OCC(=O)O)c(Cl)c(c1Cl)N
Properties
Chemical formula	C7H5Cl2FN2O3
Molar mass	255.03 g·mol−1
Appearance	White solid[1]
Density	1,09 g/cm3 (20 °C)[1]
Melting point	232 to 233 °C (450 to 451 °F; 505 to 506 K)[1]
Solubility in water	91 mg/L (20 °C)[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Close

• Fluroxypyr in the Pesticide Properties DataBase (PPDB)
• Fluroxypyr-meptyl in the Pesticide Properties DataBase (PPDB)