Chemical Name: O-4-bromo-2-chlorophenyl O-ethyl S-propyl phosphorothioate (IUPAC) . 
Formula: C11H15BrClO3PS.

Molecular weight: 373.6.

CAS No. : 41198-08-7.

Structure:
 
Description: 
Appearance : Amber-colored oily liquid. 
Melting Point: Not available. 
Vapour Pressure: 1.24 x 10-4 pa at 25°C.
Stability :Solubility: in water 20mg/1(20°C), miscible with most organic solvents. Stability: stable under neutral and slightly acid conditions, unstable under alkaline condition. 
Specification : 85%TC, 40%EC,50%EC. 
Uses: Insecticide and acaricide for the control of pests and mites on cotton, vegetable and grain crops.