ChemSpider 2D Image | 1,4-Bis(3,4-dimethylphenyl)-2,5-piperazinedione | C20H22N2O2

1,4-Bis(3,4-dimethylphenyl)-2,5-piperazinedione

  • Molecular FormulaC20H22N2O2
  • Average mass322.401 Da
  • Monoisotopic mass322.168121 Da
  • ChemSpider ID799051

More details:






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

1,4-Bis(3,4-dimethylphenyl)-2,5-piperazindion [German] [ACD/IUPAC Name]
1,4-Bis(3,4-dimethylphenyl)-2,5-piperazinedione [ACD/IUPAC Name]
1,4-Bis(3,4-diméthylphényl)-2,5-pipérazinedione [French] [ACD/IUPAC Name]
1,4-bis(3,4-dimethylphenyl)piperazine-2,5-dione
2,5-Piperazinedione, 1,4-bis(3,4-dimethylphenyl)- [ACD/Index Name]
70336-55-9 [RN]
c20h22n2o2

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

ZINC00500413 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 643.4±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.9 mmHg at 25°C
Enthalpy of Vaporization: 94.9±3.0 kJ/mol
Flash Point: 317.1±23.9 °C
Index of Refraction: 1.599
Molar Refractivity: 94.0±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 3.72
ACD/LogD (pH 5.5): 3.49
ACD/BCF (pH 5.5): 264.74
ACD/KOC (pH 5.5): 1887.35
ACD/LogD (pH 7.4): 3.49
ACD/BCF (pH 7.4): 264.74
ACD/KOC (pH 7.4): 1887.41
Polar Surface Area: 41 Å2
Polarizability: 37.3±0.5 10-24cm3
Surface Tension: 48.1±3.0 dyne/cm
Molar Volume: 275.0±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) =  2.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  515.07  (Adapted Stein & Brown method)
    Melting Pt (deg C):  219.64  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.5E-011  (Modified Grain method)
    Subcooled liquid VP: 1.14E-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):  53.86
       log Kow used: 2.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  15.832 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.75E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.483E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.61  (KowWin est)
  Log Kaw used:  -5.559  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.169
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2330
   Biowin2 (Non-Linear Model)     :   0.9978
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0789  (months      )
   Biowin4 (Primary Survey Model) :   3.5193  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2608
   Biowin6 (MITI Non-Linear Model):   0.0699
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.5994
 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):  1.52E-006 Pa (1.14E-008 mm Hg)
  Log Koa (Koawin est  ): 8.169
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.97 
       Octanol/air (Koa) model:  3.62E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.986 
       Mackay model           :  0.994 
       Octanol/air (Koa) model:  0.00289 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  85.7593 E-12 cm3/molecule-sec
      Half-Life =     0.125 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.497 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    :  1.041E+004
      Log Koc:  4.018 

 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 = 1.307 (BCF = 20.28)
       log Kow used: 2.61 (estimated)

 Volatilization from Water:
    Henry LC:  6.75E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.558E+004  hours   (649 days)
    Half-Life from Model Lake : 1.701E+005  hours   (7086 days)

 Removal In Wastewater Treatment:
    Total removal:               3.45  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.34  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       0.0849          2.99         1000       
   Water     18.5            1.44e+003    1000       
   Soil      81.2            2.88e+003    1000       
   Sediment  0.197           1.3e+004     0          
     Persistence Time: 1.48e+003 hr




                    

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