ChemSpider 2D Image | 1,3-Dihydro-2H-imidazol-2-ylidene | C3H4N2

1,3-Dihydro-2H-imidazol-2-ylidene

  • Molecular FormulaC3H4N2
  • Average mass68.077 Da
  • Monoisotopic mass68.037445 Da
  • ChemSpider ID10624831

More details:






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

1,3-Dihydro-2H-imidazol-2-yliden [German] [ACD/IUPAC Name]
1,3-Dihydro-2H-imidazol-2-ylidene [ACD/IUPAC Name]
1,3-Dihydro-2H-imidazol-2-ylidène [French] [ACD/IUPAC Name]
2H-Imidazol-2-ylidene, 1,3-dihydro- [ACD/Index Name]
imidazol-2-ylidene

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

No predicted properties have been calculated for this compound.

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -1.51

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  142.69  (Adapted Stein & Brown method)
    Melting Pt (deg C):  23.01  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.62  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -1.51 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.44E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.183E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.51  (KowWin est)
  Log Kaw used:  -4.230  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.720
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0218
   Biowin2 (Non-Linear Model)     :   0.9857
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0932  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8332  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6023
   Biowin6 (MITI Non-Linear Model):   0.5564
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9236
 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):  688 Pa (5.16 mm Hg)
  Log Koa (Koawin est  ): 2.720
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.36E-009 
       Octanol/air (Koa) model:  1.29E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.57E-007 
       Mackay model           :  3.49E-007 
       Octanol/air (Koa) model:  1.03E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 198.0043 E-12 cm3/molecule-sec
      Half-Life =     0.054 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.648 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 2.53E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  28.58
      Log Koc:  1.456 

 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: -1.51 (estimated)

 Volatilization from Water:
    Henry LC:  1.44E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      341.2  hours   (14.22 days)
    Half-Life from Model Lake :       3793  hours   (158 days)

 Removal In Wastewater Treatment:
    Total removal:               1.93  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.08  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.2             1.29         1000       
   Water     48.7            360          1000       
   Soil      51              720          1000       
   Sediment  0.089           3.24e+003    0          
     Persistence Time: 332 hr




                    

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