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dimethoxy-sulfanyl-sulfanylidene-λ5-phosphane

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Origem: China

Cas No: 756-80-9

Especificação: 99%Min

Quantidade de ordem min: 1 /kg

Capacidade de fornecimento: 80 mt/month

Tempo de espera: 7 dias para OEM, 3 dias para produtos prontos

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CAS No.: 756-80-9 Formula: C2H7O2PS2 Molecular Weight: 158.18000

Description

Dimethyl dithiophosphoric acid is the organophosphorus compound with the formula (CH3O)2PS2H. It is the processor for production of the organothiophosphate insecticide Malathion. Although samples can appear dark, the compound is a colorless, distillable liquid.
It is prepared by treating phosphorus pentasulfide with methanol:
P2S5 + 4 CH3OH → 2 (CH3O)2PS2H + H2S

Basic Info

Chemical Name	dimethoxy-sulfanyl-sulfanylidene-λ<sup>5</sup>-phosphane
Synonyms	O,O-dimethyl phosphorodithioic acid; Dimethylphosphorodithioate; dithiophosphoric acid-O.O-dimethyl ester; O,O-Dimethyl dithiophosphate; Dimethyldithiophosphoric acid; dithiophosphorus acid O,O-dimethyl ester; O,O-Dimethyldithiophosphate; O,O-Dimethyl phosphorodithioate; Dimethyl phosphodithionate; O,O-Dimethyl hydrogen dithiophosphate; Phosphorodithioic acid,O,O-dimethyl ester; O,O-dimethyldithiophosphoric acid;
CAS No.	756-80-9
Molecular Formula	C2H7O2PS2
Molecular Weight	158.18000
PSA	99.16000
LogP	2.08410

Properties

Density	1.29
Boiling Point	65ºC
Flash Point	71.2ºC
Refractive Index	1.535

Synthesis Route

azanium,dimethoxy-sulfanylidene-sulfido-λ5-phosphane→dimethoxy-sulfanyl-sulfanylidene-λ5-phosphane
Methanol→dimethoxy-sulfanyl-sulfanylidene-λ5-phosphane
Methanol+P4S10, triclinic→dimethoxy-sulfanyl-sulfanylidene-λ5-phosphane

Precursor

iodomethane
P4S10, triclinic
thiometon
azanium,dimethoxy-sulfanylidene-sulfido-λ5-phosphane

Downstream Product

methidathion
O,O-dimethyl phenylcarbonothioylphosphoramidothioate
thiometon
di(propan-2-yloxy)-sulfanyl-sulfanylidene-λ5-phosphane

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