O , O -dimethylchlorothiophosphate

Structural formula
General
Surname	O , O -dimethylchlorothiophosphate
other names	Thiophosphoric acid O , O -dimethyl ester chloride; O , O -dimethylthiophosphoryl chloride; Chlorothiophosphoric acid dimethyl ester; O , O -dimethylthiophosphoric acid chloride;
Molecular formula	C 2 H 6 ClO 2 PS
Brief description	colorless liquid with a pungent odor
External identifiers / databases
EC number	219-754-9
ECHA InfoCard	100.017.959
PubChem	17304
Wikidata	Q5277317
properties
Molar mass	160.56 g mol −1
Physical state	liquid
density	1.322 g cm −3
boiling point	66-67 ° C
Vapor pressure	25 hPa (65 ° C)
solubility	very sparingly soluble in water
Refractive index	1.482 (20 ° C)
safety instructions
H and P phrases	H: 302-312-330-315-318-335-412
	P: 260-280-310-302 + 352-305 + 351 + 338-501
Toxicological data	540 mg kg −1 ( LD 50 , rat , oral )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

O , O -Dimethylchlorothiophosphate is a chemical compound of chlorine from the group of organic thiophosphoric acid esters .

Extraction and presentation

O , O -dimethylchlorothiophosphate can be obtained by reacting phosphorus pentasulfide and methanol followed by reacting the resulting dimethylphosphorodithioate with chlorine .

properties

O , O -Dimethylchlorothiophosphate is a flammable, hardly inflammable, moisture-sensitive, colorless liquid with a pungent odor, which is very sparingly soluble in water and slowly decomposes in it.

use

O , O -Dimethylchlorothiophosphate is used as an intermediate for insecticides (e.g. methyl parathion , temephos and fenitrothion ).

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Entry on O, O-dimethylchlorothiophosphate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
↑ Data sheet Dimethyl chlorothiophosphate, 97% from Sigma-Aldrich , accessed on June 24, 2016 ( PDF ).
↑ Entry on O, O-dimethylchlorothiophosphate in the Hazardous Substances Data Bank , accessed on June 24, 2016.
^ R. Edmundson: Dictionary of Organophosphorus Compounds . CRC Press, 1987, ISBN 978-0-412-25790-2 , pp. 334 ( limited preview in Google Book search).

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Entry on O, O-dimethylchlorothiophosphate in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .

[Sigma-2] Data sheet Dimethyl chlorothiophosphate, 97% from Sigma-Aldrich , accessed on June 24, 2016 ( PDF ).

[HSDB-3] Entry on O, O-dimethylchlorothiophosphate in the Hazardous Substances Data Bank , accessed on June 24, 2016.

[R._Edmundson-4] R. Edmundson: Dictionary of Organophosphorus Compounds . CRC Press, 1987, ISBN 978-0-412-25790-2 , pp. 334 ( limited preview in Google Book search).