ChemSpider 2D Image | 1-(4-Ethylbenzyl)-4-(4-methylbenzyl)piperazine | C21H28N2

1-(4-Ethylbenzyl)-4-(4-methylbenzyl)piperazine

  • Molecular FormulaC21H28N2
  • Average mass308.460 Da
  • Monoisotopic mass308.225250 Da
  • ChemSpider ID1254786

More details:

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

1-(4-Ethylbenzyl)-4-(4-methylbenzyl)piperazin [German] [ACD/IUPAC Name]
1-(4-Ethylbenzyl)-4-(4-methylbenzyl)piperazine [ACD/IUPAC Name]
1-(4-Éthylbenzyl)-4-(4-méthylbenzyl)pipérazine [French] [ACD/IUPAC Name]
Piperazine, 1-[(4-ethylphenyl)methyl]-4-[(4-methylphenyl)methyl]- [ACD/Index Name]
1-(4-Ethyl-benzyl)-4-(4-methyl-benzyl)-piperazine
1-[(4-ethylphenyl)methyl]-4-[(4-methylphenyl)methyl]piperazine
441780-44-5 [RN]

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

    Density: 1.0±0.1 g/cm3
    Boiling Point: 421.6±40.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.0 mmHg at 25°C
    Enthalpy of Vaporization: 67.6±3.0 kJ/mol
    Flash Point: 187.5±15.2 °C
    Index of Refraction: 1.583
    Molar Refractivity: 98.3±0.3 cm3
    #H bond acceptors: 2
    #H bond donors: 0
    #Freely Rotating Bonds: 5
    #Rule of 5 Violations: 0
    ACD/LogP: 3.90
    ACD/LogD (pH 5.5): 2.65
    ACD/BCF (pH 5.5): 23.29
    ACD/KOC (pH 5.5): 106.29
    ACD/LogD (pH 7.4): 4.16
    ACD/BCF (pH 7.4): 747.94
    ACD/KOC (pH 7.4): 3412.70
    Polar Surface Area: 6 Å2
    Polarizability: 39.0±0.5 10-24cm3
    Surface Tension: 43.9±3.0 dyne/cm
    Molar Volume: 294.3±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) =  4.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  410.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  158.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.96E-007  (Modified Grain method)
    Subcooled liquid VP: 4.55E-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):  12.53
       log Kow used: 4.62 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  17.515 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.12E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.349E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.62  (KowWin est)
  Log Kaw used:  -8.339  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.959
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2995
   Biowin2 (Non-Linear Model)     :   0.0093
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8582  (months      )
   Biowin4 (Primary Survey Model) :   2.6896  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3558
   Biowin6 (MITI Non-Linear Model):   0.0020
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -3.1449
 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):  0.000607 Pa (4.55E-006 mm Hg)
  Log Koa (Koawin est  ): 12.959
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00495 
       Octanol/air (Koa) model:  2.23 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.152 
       Mackay model           :  0.283 
       Octanol/air (Koa) model:  0.994 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 205.4502 E-12 cm3/molecule-sec
      Half-Life =     0.052 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.625 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.218 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7.024E+005
      Log Koc:  5.847 

 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 = 2.861 (BCF = 726.1)
       log Kow used: 4.62 (estimated)

 Volatilization from Water:
    Henry LC:  1.12E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.181E+006  hours   (3.826E+005 days)
    Half-Life from Model Lake : 1.002E+008  hours   (4.173E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              62.16  percent
    Total biodegradation:        0.57  percent
    Total sludge adsorption:    61.60  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       0.000579        1.25         1000       
   Water     7.46            1.44e+003    1000       
   Soil      82.8            2.88e+003    1000       
   Sediment  9.72            1.3e+004     0          
     Persistence Time: 3.12e+003 hr

    Click to predict properties on the Chemicalize site


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