4-Methylphenol

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) =  2.06
    Log Kow (Exper. database match) =  1.94
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  190.80  (Adapted Stein & Brown method)
    Melting Pt (deg C):  15.69  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.124  (Modified Grain method)
    MP  (exp database):  35.5 deg C
    BP  (exp database):  201.9 deg C
    VP  (exp database):  1.10E-01 mm Hg at 25 deg C
    Subcooled liquid VP: 0.14 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  9246
       log Kow used: 1.94 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  2.15e+004 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  15717 mg/L
    Wat Sol (Exper. database match) =  21500.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.19E-007  atm-m3/mole
   Group Method:   7.05E-007  atm-m3/mole
   Exper Database: 1.00E-06  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.908E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.94  (exp database)
  Log Kaw used:  -4.388  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  6.328
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8665
   Biowin2 (Non-Linear Model)     :   0.9507
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9417  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6629  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5290
   Biowin6 (MITI Non-Linear Model):   0.6637
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1633
 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):  18.7 Pa (0.14 mm Hg)
  Log Koa (Koawin est  ): 6.328
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.61E-007 
       Octanol/air (Koa) model:  5.22E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.8E-006 
       Mackay model           :  1.29E-005 
       Octanol/air (Koa) model:  4.18E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  41.1305 E-12 cm3/molecule-sec
      Half-Life =     0.260 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.121 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 9.33E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  434
      Log Koc:  2.638 

 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 = 0.794 (BCF = 6.22)
       log Kow used: 1.94 (expkow database)

 Volatilization from Water:
    Henry LC:  1E-006 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      609.9  hours   (25.41 days)
    Half-Life from Model Lake :       6741  hours   (280.9 days)

 Removal In Wastewater Treatment:
    Total removal:               2.25  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.10  percent
    Total to Air:                0.06  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.592           5.41         1000       
   Water     32.4            360          1000       
   Soil      66.9            720          1000       
   Sediment  0.108           3.24e+003    0          
     Persistence Time: 415 hr