|Jmol-3D images||Image 1|
|Molar mass||298.30 g mol−1|
|Appearance||Reddish brown liquid|
|Melting point||31 °C (88 °F; 304 K)|
|Solubility in water||17.8 mg/L at 22 °C|
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)|
Quinalphos is an organothiophosphate chemical chiefly used as a pesticide. It is a reddish brown liquid. The chemical formula is C12H15N2O3PS, and IUPAC name O,O-diethyl O-quinoxalin-2-yl phosphorothioate. Ranked 'moderately hazardous' in World Health Organization's (WHO) acute hazard ranking, use of quinalphos is either banned or restricted in most nations. Quinalphos, which is classified as a yellow label (highly toxic) pesticide in India, is widely used in the following crops: wheat, rice, coffee, sugarcane, and cotton.