Table 1.

Glyphosate’s physical and chemical properties.

Active Substance	Glyphosate
Family	Organophosphorus compounds
Function	Herbicide
IUPAC name	N-(phosphonomethyl) glycine
CAS number	1071-83-6
Molecular formula	C3H8NO5P
Molecular weight	169.1 g/mol
Solubility	In water: 10.5 g/L a 20 °C Insoluble in organic solvents
Melting point (°C)	189 °C
Boiling point (°C)	Not defined (Glyphosate is decomposed during melting process)
Temperature of decomposition (°C)	200 °C
Dissociation constant	pKa1 = 2.0; pKa2 = 2.6; pKa3 = 5.6; pKa4 = 10.6
Log Kow	−0.40