ChemSpider 2D Image | Ethyl 4-nitrophenyl phosphoramidate | C8H11N2O5P

Ethyl 4-nitrophenyl phosphoramidate

  • Molecular FormulaC8H11N2O5P
  • Average mass246.157 Da
  • Monoisotopic mass246.040558 Da
  • ChemSpider ID484049

More details:

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

Ethyl 4-nitrophenyl phosphoramidate [ACD/IUPAC Name]
Ethyl-4-nitrophenylphosphoramidat [German] [ACD/IUPAC Name]
Phosphoramidate d'éthyle et de 4-nitrophényle [French] [ACD/IUPAC Name]
Phosphoramidic acid, ethyl 4-nitrophenyl ester [ACD/Index Name]
119401-65-9 [RN]
ENPP
Ethyl 4-nitrophenyl amidophosphate
O-Ethyl O-4-nitrophenyl phosphoramidate
Phosphoramidic acid, ethyl p-nitrophenyl diester

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.4±0.1 g/cm3
Boiling Point: 376.5±44.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 62.4±3.0 kJ/mol
Flash Point: 181.5±28.4 °C
Index of Refraction: 1.552
Molar Refractivity: 56.3±0.3 cm3
#H bond acceptors: 7
#H bond donors: 2
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 1.31
ACD/LogD (pH 5.5): 1.05
ACD/BCF (pH 5.5): 3.71
ACD/KOC (pH 5.5): 89.02
ACD/LogD (pH 7.4): 1.05
ACD/BCF (pH 7.4): 3.71
ACD/KOC (pH 7.4): 89.02
Polar Surface Area: 117 Å2
Polarizability: 22.3±0.5 10-24cm3
Surface Tension: 55.4±3.0 dyne/cm
Molar Volume: 176.0±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) =  0.51

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  370.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  88.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.04E-005  (Modified Grain method)
    Subcooled liquid VP: 4.27E-005 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):  3736
       log Kow used: 0.51 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  28132 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.06E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.016E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.51  (KowWin est)
  Log Kaw used:  -9.903  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.413
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3253
   Biowin2 (Non-Linear Model)     :   0.0476
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4856  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3842  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1251
   Biowin6 (MITI Non-Linear Model):   0.0023
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1867
 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):  0.00569 Pa (4.27E-005 mm Hg)
  Log Koa (Koawin est  ): 10.413
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000527 
       Octanol/air (Koa) model:  0.00635 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0187 
       Mackay model           :  0.0404 
       Octanol/air (Koa) model:  0.337 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  47.2660 E-12 cm3/molecule-sec
      Half-Life =     0.226 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.716 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0296 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  11.79
      Log Koc:  1.072 

 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: 0.51 (estimated)

 Volatilization from Water:
    Henry LC:  3.06E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.002E+008  hours   (1.251E+007 days)
    Half-Life from Model Lake : 3.275E+009  hours   (1.365E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       4.25e-005       5.43         1000       
   Water     44.3            900          1000       
   Soil      55.6            1.8e+003     1000       
   Sediment  0.0878          8.1e+003     0          
     Persistence Time: 1e+003 hr

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