Molecular Formula | C7H17O2PS3 |
Molar Mass | 260.381 |
Density | 1.1800 |
Boling Point | 55°C (rough estimate) |
Water Solubility | 97mg/L(25 ºC) |
Physical and Chemical Properties | Light yellow liquid. The vapor pressure at 20 ℃ is 0.29Pa. The solubility in water at 25 ℃ is 97mg/L. |
Hazard Symbols | T - Toxic |
Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
UN IDs | 3018 |
Hazard Class | 6.1(b) |
Packing Group | III |
Use | This product is an inhalable insecticide, and has the effect of fumigation, which can effectively control aphids. |
production method | potassium O,O-dimethyl dithiophosphate (MOL) was dissolved in ethanol (ML) and heated to 70 °c, 0.5mol of 2-isopropylthio-1-chloroethane was added and the reaction stirred for 2H. After cooling and filtration, the precipitated potassium chloride was removed. The solvent was removed, and the residue was dissolved in benzene, washed with water, dried, and stripped of benzene, and then subjected to reduced pressure distillation to collect the 58-60 ° C. (1.33kPa) fraction, which is methyl propylene and ethyl phosphorus. |
category | pesticide |
toxicity grade | high toxicity |
Acute toxicity | oral-rat LD50: 150 mg/kg; Oral-mouse LD50: 50 mg/kg |
flammability hazard characteristics | toxic phosphorus oxide and sulfur oxide gases from combustion |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
extinguishing agent | dry powder, foam, sand |