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Names | |
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Preferred IUPAC name
O,O-Dimethyl phosphorodithioate | |
Other names
O,O-Dimethyl dithiophosphoric acid; Dimethyl dithiophosphate; Dimethyl phosphorodithioate; Dimethyl ester of phosphorodithioic acid
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Identifiers | |
3D model (
JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.010.958 |
EC Number |
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PubChem
CID
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UNII | |
CompTox Dashboard (
EPA)
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Properties | |
C2H7O2PS2 | |
Molar mass | 158.17 g·mol−1 |
Appearance | colorless liquid |
Boiling point | 62–64 °C (144–147 °F; 335–337 K) 0.5 mm Hg |
Hazards | |
GHS labelling: | |
![]() ![]() ![]() ![]() | |
Danger | |
H226, H242, H290, H302, H314, H332, H361, H412 | |
P201, P202, P210, P233, P234, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P281, P301+P312, P301+P330+P331, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P330, P363, P370+P378, P390, P403+P235, P404, P405, P501 | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
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. [1]
It is prepared by treating phosphorus pentasulfide with methanol: [2]
![]() | |
Names | |
---|---|
Preferred IUPAC name
O,O-Dimethyl phosphorodithioate | |
Other names
O,O-Dimethyl dithiophosphoric acid; Dimethyl dithiophosphate; Dimethyl phosphorodithioate; Dimethyl ester of phosphorodithioic acid
| |
Identifiers | |
3D model (
JSmol)
|
|
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.010.958 |
EC Number |
|
PubChem
CID
|
|
UNII | |
CompTox Dashboard (
EPA)
|
|
| |
| |
Properties | |
C2H7O2PS2 | |
Molar mass | 158.17 g·mol−1 |
Appearance | colorless liquid |
Boiling point | 62–64 °C (144–147 °F; 335–337 K) 0.5 mm Hg |
Hazards | |
GHS labelling: | |
![]() ![]() ![]() ![]() | |
Danger | |
H226, H242, H290, H302, H314, H332, H361, H412 | |
P201, P202, P210, P233, P234, P240, P241, P242, P243, P260, P261, P264, P270, P271, P273, P280, P281, P301+P312, P301+P330+P331, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P330, P363, P370+P378, P390, P403+P235, P404, P405, P501 | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
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. [1]
It is prepared by treating phosphorus pentasulfide with methanol: [2]