Table 1.

Selected physical and chemical properties of glyphosate.

Chemical structure
CAS number	1071-83-6
Chemical name	N-(phosphonomethyl) glycine
Empirical formula	C3H8NO5P
Molecular weight (g mol−1)	169.08
Water solubility (mg L−1 at 25 °C)	10,000 to 15,700 [10]
Octanol–water coeff. (Kow)	−4.6 to −1.6 [10]
Vapor pressure (mm Hg at 25 °C)	4.3 × 10−10 [10]
Freundlich adsorption coeff. (Kads) (L Kg−1)	0.6 to 303 [11]
Degradation half-life in soil (T1/2) (days)	7–60 [12]
Photolysis half-life (days)	Not substantial
EPA maximum contamination level (μg L−1)	700 [10]