Chemical Properties

Quick Facts

Chemical Formula:  C9H11Cl3NO3PS
Chemical Name: O,O-diethyl O-
(3,5,6-trichloro-2-pyridyl)
phosphorothioate
Atomic Mass: 350.584g
Boiling Point: 200°C
Melting Point: 42-43.5°C
Density (at 25°C): 1.398g/mL
Solubility (at 25°C): 1.39ppm
Natural Abundance: None (it is a manmade compound)
CAS Registry ID Number:  2921-88-2

Percent Compositions

Element

 By Mass 

 By Number 

Carbon 30.834% 31.034%
Hydrogen 3.163% 37.931%
Chlorine 30.338% 10.345%
Nitrogen 3.995% 3.448%
Oxygen 13.691% 10.345%
Phosphorus  8.835% 3.448%
Sulfur 9.145% 3.448%

Atomic Mass of Chlorpyrifos

9 C @ 12.011 = 108.099
11 H @ 1.008 = 11.088
3 Cl @ 35.453 = 106.359
1 N @ 14.007 = 14.007
3 O @ 15.999 = 47.997
1 P @ 30.974 = 30.974
1 S @ 32.060 = 32.060

Total

=

350.584