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ChemicalBook CAS DataBase List Diethylphosphorodithioate
298-06-6

Diethylphosphorodithioate synthesis

8synthesis methods
Diethylphosphorodithioate was prepared by phosphorus pentasulfide stirred in absolute ethanol at 50~65℃ for 30-45min.
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Yield:298-06-6 99%

Reaction Conditions:

with tetraphosphorus decasulfide at 100; for 20 h;

Steps:

7.2 Preparation of diethyl dithiophosphate
A three-necked reactor was equipped with a thermometer, a condenser, a stirrer, After the addition of an oil bath, phosphorus pentasulfite (112.2 g, 0.5 mol) and ethyl alcohol (111.7 g, 2 mol) were added and stirred at 100 ° C for 20 hours to obtain a green liquid (192.9 g, 99% .

References:

Korea Research Institute of Chemical Technology;Kang Ho-cheol;Sim Dae-seon KR101785337, 2017, B1 Location in patent:Paragraph 0264; 0265

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