Glufosinate-ammonium

Common name glufosinate-ammonium

IUPAC name ammonium 4-[hydroxy(methyl)phosphinoyl]-DL-homoalaninate; ammonium DL-homoalanin-4-yl(methyl)phosphinate 

Chemical Abstracts name ammonium (?-2-amino-4-(hydroxymethylphosphinyl)butanoate 

CAS RN [77182-82-2] unstated stereochemistry

Mol. wt. 198.2 

M.f. C5H15N2O4P 

Form Crystalline solid, with a slightly pungent odour. 

M.p. 215 篊 

V.p. <0.1 mPa (20 篊) 

KOW logP <0.1 (pH 7, 22 篊) 

Henry 4.48 ´ 10-9 Pa m3 mol-1 (calc.) 

S.g./density 1.4 (20 篊) 

Solubility In water 1370 g/l (22 篊). In acetone 0.16, ethanol 0.65, ethyl acetate 0.14, toluene 0.14, hexane 0.2 (all in g/l, 20 篊). 

Mode of action

Non-selective contact herbicide with some systemic action. Translocation occurs only within leaves, predominantly from the leaf base to the leaf tip. 

Uses Glufosinate-ammonium is used for control of a wide range of annual and perennial broad-leaved weeds and grasses