ChemSpider 2D Image | 1-methyl-3-octadecylimidazolium | C22H43N2

1-methyl-3-octadecylimidazolium

  • Molecular FormulaC22H43N2
  • Average mass335.590 Da
  • Monoisotopic mass335.342072 Da
  • ChemSpider ID2015990

  • Charge - Charge

More details:

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

1H-Imidazolium, 3-methyl-1-octadecyl- [ACD/Index Name]
1-methyl-3-octadecylimidazolium
3-Methyl-1-octadecyl-1H-imidazol-3-ium [ACD/IUPAC Name]
3-Methyl-1-octadecyl-1H-imidazol-3-ium [German] [ACD/IUPAC Name]
3-Méthyl-1-octadécyl-1H-imidazol-3-ium [French] [ACD/IUPAC Name]

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

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 17
#Rule of 5 Violations:
ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 9 Å2
Polarizability:
Surface Tension:
Molar Volume:

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  9.50

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  442.76  (Adapted Stein & Brown method)
    Melting Pt (deg C):  160.55  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.02E-008  (Modified Grain method)
    Subcooled liquid VP: 7.43E-007 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):  5.889e-005
       log Kow used: 9.50 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0001115 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.11E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.258E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.50  (KowWin est)
  Log Kaw used:  0.936  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.564
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6967
   Biowin2 (Non-Linear Model)     :   0.5253
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7581  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6341  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5823
   Biowin6 (MITI Non-Linear Model):   0.6381
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5147
 Ready Biodegradability Prediction:   YES

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

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  9.91E-005 Pa (7.43E-007 mm Hg)
  Log Koa (Koawin est  ): 8.564
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0303 
       Octanol/air (Koa) model:  8.99E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.522 
       Mackay model           :  0.708 
       Octanol/air (Koa) model:  0.00714 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  59.7966 E-12 cm3/molecule-sec
      Half-Life =     0.179 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.146 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.615 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  8.837E+005
      Log Koc:  5.946 

 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: 9.50 (estimated)

 Volatilization from Water:
    Henry LC:  0.211 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.872  hours
    Half-Life from Model Lake :      173.8  hours   (7.241 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.21  percent
    Total to Air:                0.05  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.138           4.29         1000       
   Water     3.67            360          1000       
   Soil      29.4            720          1000       
   Sediment  66.8            3.24e+003    0          
     Persistence Time: 1.28e+003 hr

Click to predict properties on the Chemicalize site


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