ChemSpider 2D Image | Vamidothion | C8H18NO4PS2

Vamidothion

  • Molecular FormulaC8H18NO4PS2
  • Average mass287.337 Da
  • Monoisotopic mass287.041473 Da
  • ChemSpider ID486975

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

200-835-2 [EINECS]
218-894-8 [EINECS]
2275-23-2 [RN]
MFCD00055442
O,O-Dimethyl S-(2-((1-methyl-2-(methylamino)-2-oxoethyl)thio)ethyl) phosphorothioate (9CI)
O,O-Dimethyl S-(2-{[1-(methylamino)-1-oxo-2-propanyl]sulfanyl}ethyl) phosphorothioate [ACD/IUPAC Name]
O,O-Dimethyl S-(2-{[1-(methylamino)-1-oxopropan-2-yl]sulfanyl}ethyl) phosphorothioate
O,O-Dimethyl S-[2-(1-methyl-2-methylamino-2-oxoethylthio)ethyl] phosphorothioate
O,O-Dimethyl-S-(2-{[1-(methylamino)-1-oxo-2-propanyl]sulfanyl}ethyl)phosphorothioat [German] [ACD/IUPAC Name]
O,O-Dimethyl-S-(2-{[1-(methylamino)-1-oxo-2-propanyl]sulfanyl}ethyl)thiophosphat
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

H1G712H762 [DBID]
UNII:H1G712H762 [DBID]
37914_RIEDEL [DBID]
ENT 26,613 [DBID]
NPH 83 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Chemical Class:

      An organic thiophosphate that is <element>N</element>-methyl-2-[(2-sulfanylethyl)sulfanyl]propanamide in which the thiol group has been converted to the corresponding <element>O</element>,<element>O</ element>-dimethyl thiophoshate. Formerly used as an insecticide and acaricide, it is no longer approved for use within the European Union. ChEBI CHEBI:38990
  • Gas Chromatography
    • Retention Index (Normal Alkane):

      2076.5 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(1min) =>20C/min =>120C => 5C/min => 300C(10min); CAS no: 2275232; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimadzu Corporation, Analysis of 124 pesticides with capillary GC-FTD and GC-ECD, 2003.) NIST Spectra nist ri
      2075 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 1 m; Column type: Packed; Heat rate: 4 K/min; Start T: 140 C; End T: 210 C; End time: 20 min; CAS no: 2275232; Active phase: OV-1; Carrier gas: Helium; Substrate: Chromosorb W AW DMCS; Data type: Normal alkane RI; Authors: TSunoda, N., Simultaneous determination of organophosphorous pesticides in forencis chemistry by gas-liquid chromatography with hydrogen flame ionization detector, Eisei Kagaku, 32(2), 1986, 91-100.) NIST Spectra nist ri
      2080 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 1 m; Column type: Packed; Start T: 190 C; CAS no: 2275232; Active phase: OV-1; Carrier gas: Helium; Substrate: Chromosorb W AW DMCS; Data type: Normal alkane RI; Authors: TSunoda, N., Simultaneous determination of organophosphorous pesticides in forencis chemistry by gas-liquid chromatography with hydrogen flame ionization detector, Eisei Kagaku, 32(2), 1986, 91-100.) NIST Spectra nist ri
      2083.8 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Packed; Heat rate: 4 K/min; Start T: 200 C; End T: 290 C; CAS no: 2275232; Active phase: SE-30; Data type: Normal alkane RI; Authors: Krijgsman, W.; van de Kamp, C.G., Analysis of organophosphorus pesticides by capillary gas chromatography with flame photometric detection, J. Chromatogr., 117, 1976, 201-205.) NIST Spectra nist ri
      2104.4 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 80C(1min) => 10C/min =>160C (5min) => 3C/min =>240C =>25C/min =>280C(10min); CAS no: 2275232; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Chu, X.-G.; Hu, X.-Z.; Yao, H.-Y., Determination of 266 pesticide residues in apple juice by matrix solid-phase dispersion and gas chromatography-mass selective detection, J. Chromatogr. A, 1063, 2005, 201-210.) NIST Spectra nist ri
      2103.2 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(1min) =>20C/min =>120C => 5C/min => 300C(10min); CAS no: 2275232; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shimadzu Corporation, Analysis of 124 pesticides with capillary GC-FTD and GC-ECD, 2003.) NIST Spectra nist ri
      2114.3 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Description: 100C(1min) => 30C/min=> 150C(2min) => 3C/min=> 205C => 10C/min =>260C(29min); CAS no: 2275232; Active phase: SE-54; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Stan, H.-J., Pesticide residue analysis in foodstuffs applying capillary gas chromatography with mass spectrometric detection State-of-the-art use of modified DFG-multimethod S19 and automated data evaluation, J. Chromatogr. A, 892, 2000, 347-377.) NIST Spectra nist ri
      2116.4 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 80 C; End T: 280 C; CAS no: 2275232; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kwakman, P.J.M.; Vreuls, J.J.; Brinkman, U.A.Th.; Ghijsen, R.T., Determination of organophosphorus pesticides in aqueous samples by on-line membrane disk extraction and capillary gas chromatography, Chromatographia, 34(1/2), 1992, 41-47.) NIST Spectra nist ri
    • Retention Index (Linear):

      2036 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 12 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 120 C; End T: 250 C; CAS no: 2275232; Active phase: CBP-1; Carrier gas: N2; Data type: Linear RI; Authors: Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K., Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices, Eisei Kagaku, 33(5), 1987, 342-348.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.508
Molar Refractivity: 69.1±0.3 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 8
#Rule of 5 Violations: 0
ACD/LogP: 0.15
ACD/LogD (pH 5.5): 0.84
ACD/BCF (pH 5.5): 2.58
ACD/KOC (pH 5.5): 68.57
ACD/LogD (pH 7.4): 0.84
ACD/BCF (pH 7.4): 2.58
ACD/KOC (pH 7.4): 68.57
Polar Surface Area: 125 Å2
Polarizability: 27.4±0.5 10-24cm3
Surface Tension: 43.1±3.0 dyne/cm
Molar Volume: 231.7±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.16

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  425.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  84.95  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.37E-006  (Modified Grain method)
    MP  (exp database):  43 deg C
    Subcooled liquid VP: 2E-006 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.065e+004
       log Kow used: 0.16 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (20 deg C)
        Exper. Ref:  WORTHING,CR & WALKER,SB (1987)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
    Wat Sol (Exper. database match) =  1000000.00
       Exper. Ref:  WORTHING,CR & WALKER,SB (1987)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Esters (phosphate)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.58E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.863E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.16  (KowWin est)
  Log Kaw used:  -13.455  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.615
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1348
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6637  (weeks-months)
   Biowin4 (Primary Survey Model) :   4.1040  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1885
   Biowin6 (MITI Non-Linear Model):   0.0514
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3631
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.000267 Pa (2E-006 mm Hg)
  Log Koa (Koawin est  ): 13.615
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0113 
       Octanol/air (Koa) model:  10.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.289 
       Mackay model           :  0.474 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  57.7246 E-12 cm3/molecule-sec
      Half-Life =     0.185 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.224 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.381 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  805.7
      Log Koc:  2.906 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.16 (estimated)

 Volatilization from Water:
    Henry LC:  8.58E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.157E+012  hours   (4.82E+010 days)
    Half-Life from Model Lake : 1.262E+013  hours   (5.258E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.39e-008       4.45         1000       
   Water     45.5            900          1000       
   Soil      54.4            1.8e+003     1000       
   Sediment  0.0885          8.1e+003     0          
     Persistence Time: 986 hr




                    

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