ChemicalBook CAS DataBase List Diethylphosphorodithioate

Diethylphosphorodithioate synthesis

8synthesis methods

Product Name:Diethylphosphorodithioate
CAS Number:298-06-6
Molecular formula:C4H11O2PS2
Molecular Weight:186.23

Diethylphosphorodithioate was prepared by phosphorus pentasulfide stirred in absolute ethanol at 50～65℃ for 30-45min.

64-17-5 Synthesis

64-17-5
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298-06-6
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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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