A3612012
                    Diethyl Chlorothiophosphate , >97.0%(GC) , 2524-04-1
                            Synonym(s):
O,O′-Diethylthiophosphoric chloride;Diethyl phosphorochloridothionate
                            
                        
                CAS NO.:2524-04-1
Empirical Formula: C4H10ClO2PS
Molecular Weight: 188.61
MDL number: MFCD00009088
EINECS: 219-755-4
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | -75℃ | 
                                    
| Boiling point: | 96 °C | 
                                    
| Density | 1.2 g/mL at 25 °C(lit.) | 
                                    
| vapor pressure | 1.4 mm Hg ( 50 °C) | 
                                    
| refractive index | n | 
                                    
| Flash point: | >230 °F | 
                                    
| solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) | 
                                    
| form | liquid | 
                                    
| color | Colorless to Red to Green | 
                                    
| Water Solubility | hydrolyzes, immiscible | 
                                    
| CAS DataBase Reference | 2524-04-1(CAS DataBase Reference) | 
                                    
| NIST Chemistry Reference | Phosphorochloridothioic acid, o,o'-diethyl ester(2524-04-1) | 
                                    
| EPA Substance Registry System | O,O-Diethyl chlorothiophosphate (2524-04-1) | 
                                    
Description and Uses
Diethyl Chlorothiophosphate is used in the preparation of various organophosporus insecticide including Flupyrazofos (F598620) and Chlorpyrifos (C425300).
Safety
| Symbol(GHS) | ![]() ![]() ![]() GHS05,GHS06,GHS09  | 
                                    
| Signal word | Danger | 
| Hazard statements | H302-H311+H331-H314-H411 | 
| Precautionary statements | P273-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338 | 
| Hazard Codes | T,T+ | 
| Risk Statements | 23/24/25-34-26-21/22 | 
| Safety Statements | 23-26-36/37/39-45-28A | 
| RIDADR | UN 2751 8/PG 2 | 
| WGK Germany | 3 | 
| RTECS | TD1780000 | 
| HazardClass | 8 | 
| PackingGroup | II | 
| HS Code | 29309099 | 
| Hazardous Substances Data | 2524-04-1(Hazardous Substances Data) | 
| Limited Quantities | 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid) | 
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml) | 





