Carbonyl sulfide

How to detect Carbonyl sulfide

Formula: COS | CAS: 463-58-1

Carbonyl sulfide is a commonly occurring product of breakdown of sulfur containing foodstuffs such as fish. It is emitted in refining and plastic manufacture and in burning of refuse. It is also used in the manufacture of herbicides.


Specification Value/Information
Formula COS
CAS no. 463-58-1
Gas Response Factor, 11.7 eV 0.4
Gas Response Factor, 10.6 eV ZR
Gas Response Factor, 10.0 eV ZR
ppm per mg/m⁻³, (20 °C, 1 bar) 0.4
Molecular Weight, g/mole 60.0
Specification Value/Information
Melting point, °C -138
Boiling point, °C -50
Flash point, °C -87
Upper Explosive Limit, % 29
Lower Explosive Limit, % 11.9
Density,⁻³ 2.636
Ionisation Energy, eV 11.18