pyrrole, 2,3,4,5-tetramethyl-

Data supplied by datasources and users.

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  211.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  27.51  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0272  (Modified Grain method)
    MP  (exp database):  111 deg C
    Subcooled liquid VP: 0.19 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):  234.2
       log Kow used: 3.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  263.89 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.35E-005  atm-m3/mole
   Group Method:   1.69E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.883E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.07  (KowWin est)
  Log Kaw used:  -3.258  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.328
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9076
   Biowin2 (Non-Linear Model)     :   0.9726
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6275  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3959  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5115
   Biowin6 (MITI Non-Linear Model):   0.5493
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.6510
 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):  25.3 Pa (0.19 mm Hg)
  Log Koa (Koawin est  ): 6.328
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.18E-007 
       Octanol/air (Koa) model:  5.22E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.28E-006 
       Mackay model           :  9.47E-006 
       Octanol/air (Koa) model:  4.18E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.5440 E-12 cm3/molecule-sec
      Half-Life =     0.053 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.640 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 6.88E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  656.7
      Log Koc:  2.817 

 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 = 1.662 (BCF = 45.96)
       log Kow used: 3.07 (estimated)

 Volatilization from Water:
    Henry LC:  1.69E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      39.59  hours   (1.649 days)
    Half-Life from Model Lake :      524.9  hours   (21.87 days)

 Removal In Wastewater Treatment:
    Total removal:               7.18  percent
    Total biodegradation:        0.13  percent
    Total sludge adsorption:     6.17  percent
    Total to Air:                0.89  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0679          1.28         1000       
   Water     18.3            900          1000       
   Soil      81.1            1.8e+003     1000       
   Sediment  0.489           8.1e+003     0          
     Persistence Time: 988 hr