ChemSpider 2D Image | (2S)-2-[2-(4-Ethyl-1-piperazinyl)ethyl]-7-nitro-2H-1,4-benzoxazin-3(4H)-one | C16H22N4O4

(2S)-2-[2-(4-Ethyl-1-piperazinyl)ethyl]-7-nitro-2H-1,4-benzoxazin-3(4H)-one

  • Molecular FormulaC16H22N4O4
  • Average mass334.370 Da
  • Monoisotopic mass334.164093 Da
  • ChemSpider ID5432521

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(2S)-2-[2-(4-Ethyl-1-piperazinyl)ethyl]-7-nitro-2H-1,4-benzoxazin-3(4H)-on [German] [ACD/IUPAC Name]
(2S)-2-[2-(4-Ethyl-1-piperazinyl)ethyl]-7-nitro-2H-1,4-benzoxazin-3(4H)-one [ACD/IUPAC Name]
(2S)-2-[2-(4-Éthyl-1-pipérazinyl)éthyl]-7-nitro-2H-1,4-benzoxazin-3(4H)-one [French] [ACD/IUPAC Name]
2H-1,4-Benzoxazin-3(4H)-one, 2-[2-(4-ethyl-1-piperazinyl)ethyl]-7-nitro-, (2S)- [ACD/Index Name]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 525.9±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 80.0±3.0 kJ/mol
Flash Point: 271.9±30.1 °C
Index of Refraction: 1.559
Molar Refractivity: 87.7±0.3 cm3
#H bond acceptors: 8
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 1.51
ACD/LogD (pH 5.5): -0.73
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): 0.97
ACD/BCF (pH 7.4): 2.31
ACD/KOC (pH 7.4): 42.66
Polar Surface Area: 91 Å2
Polarizability: 34.8±0.5 10-24cm3
Surface Tension: 45.5±3.0 dyne/cm
Molar Volume: 271.4±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) =  1.47

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  515.83  (Adapted Stein & Brown method)
    Melting Pt (deg C):  219.99  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.99E-011  (Modified Grain method)
    Subcooled liquid VP: 1.09E-008 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):  173.2
       log Kow used: 1.47 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  21340 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.14E-018  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.284E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.47  (KowWin est)
  Log Kaw used:  -16.332  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.802
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2149
   Biowin2 (Non-Linear Model)     :   0.0229
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.6687  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.9635  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0534
   Biowin6 (MITI Non-Linear Model):   0.0015
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.6460
 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):  1.45E-006 Pa (1.09E-008 mm Hg)
  Log Koa (Koawin est  ): 17.802
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.06 
       Octanol/air (Koa) model:  1.56E+005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.987 
       Mackay model           :  0.994 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 211.0132 E-12 cm3/molecule-sec
      Half-Life =     0.051 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.608 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.99 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1457
      Log Koc:  3.163 

 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 = 0.434 (BCF = 2.714)
       log Kow used: 1.47 (estimated)

 Volatilization from Water:
    Henry LC:  1.14E-018 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.391E+014  hours   (3.913E+013 days)
    Half-Life from Model Lake : 1.025E+016  hours   (4.269E+014 days)

 Removal In Wastewater Treatment:
    Total removal:               1.96  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.87  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       9.1e-010        1.22         1000       
   Water     38.1            4.32e+003    1000       
   Soil      61.8            8.64e+003    1000       
   Sediment  0.0979          3.89e+004    0          
     Persistence Time: 2.03e+003 hr

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