Product Name

  • Name

    Phosphorothioic acid, O,O-dimethyl ester, S-ester with ethyl mercaptoa cetate

  • EINECS
  • CAS No. 2088-72-4
  • Density 1.254g/cm3
  • Solubility
  • Melting Point
  • Formula C6H13 O5 P S
  • Boiling Point 265.1°Cat760mmHg
  • Molecular Weight 228.206
  • Flash Point 114.1°C
  • Transport Information
  • Appearance
  • Safety Poison by ingestion and skin contact. Moderately toxic by unspecified route. When heated to decomposition it emits very toxic fumes of POx and SOx. See also ESTERS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 2088-72-4 (Phosphorothioic acid, O,O-dimethyl ester, S-ester with ethyl mercaptoa cetate)
  • Hazard Symbols
  • Synonyms Aceticacid, [(dimethoxyphosphinyl)thio]-, ethyl ester (9CI); Acetic acid, mercapto-,ethyl ester, S-ester with O,O-dimethyl phosphorothioate (7CI,8CI); Acetic acid,mercapto-, ethyl ester, ester with O,O-dimethyl phosphorothioate (6CI);Phosphorothioic acid, O,O-dimethyl ester, S-ester with ethyl mercaptoacetate;Methyl acetoxon; Methylacetophos; O,O-Dimethyl S-(carbethoxy)methylphosphorothiolate; O,O-Dimethyl S-ethoxycarbonylmethyl phosphorothioate
  • PSA 96.94000
  • LogP 1.68360

O,O-Dimethyl-S-carboethoxymethyl thiophosphate Chemical Properties

IUPAC Name:  Ethyl 2-dimethoxyphosphorylsulfanylacetate
Synonyms of O,O-Dimethyl-S-carboethoxymethyl thiophosphate (CAS NO.2088-72-4) : Acetic acid, ((dimethoxyphosphinyl)thio)-, ethyl ester (9CI) ; Acetic acid, mercapto-, ethyl ester, S-ester with O,O-dimethyl phosphorothioate ; Ethyl ((dimethoxyphosphinyl)thio)acetate ; Methyl acetophos O,O-Dimethyl S-carboethoxymethyl thiophosphate
InChI:  InChI=1/C6H13O5PS/c1-4-11-6(7)5-13-12(8,9-2)10-3/h4-5H2,1-3H3 
CAS NO:2088-72-4 
Molecular Formula:C6H13O5PS                           
Molecular Weight :228.2032                                      
Molecular Structure :
Index of Refraction: 1.461 
Surface Tension: 40 dyne/cm 
Density: 1.254 g/cm3 
Flash Point: 114.1 °C 
Enthalpy of Vaporization: 50.3 kJ/mol 
Boiling Point: 265.1 °C at 760 mmHg 
Vapour Pressure: 0.00933 mmHg at 25°C 

O,O-Dimethyl-S-carboethoxymethyl thiophosphate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 214mg/kg (214mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 30(7), Pg. 9, 1965.
mouse LD50 oral 314mg/kg (314mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 33(8), Pg. 107, 1968.
mouse LD50 unreported 1020mg/kg (1020mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 7(5), Pg. 38, 1963.
rabbit LD50 oral 420mg/kg (420mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 30(7), Pg. 9, 1965.
rat LD50 oral 385mg/kg (385mg/kg)   Hygiene and Sanitation Vol. 31(4-6), Pg. 18, 1966.
rat LD50 skin 220mg/kg (220mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 33(8), Pg. 107, 1968.
rat LD50 unreported 1gm/kg (1000mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 351, 1971.

O,O-Dimethyl-S-carboethoxymethyl thiophosphate Safety Profile

Poison by ingestion and skin contact. O,O-Dimethyl-S-carboethoxymethyl thiophosphate (CAS NO.2088-72-4) is moderately toxic by unspecified route. When O,O-Dimethyl-S-carboethoxymethyl thiophosphate (CAS NO.2088-72-4) is heated to decomposition ,it emits very toxic fumes of POx and SOx. See also ESTERS.

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