METHYL TEREPHTHALATE

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) =  1.66
    Log Kow (Exper. database match) =  2.25
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  248.83  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -22.74  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000248  (Modified Grain method)
    MP  (exp database):  141 deg C
    BP  (exp database):  288 deg C
    VP  (exp database):  1.00E-02 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):  561.1
       log Kow used: 2.25 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  19 mg/L (25 deg C)
        Exper. Ref:  BEMIS,AG ET AL (1982)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  7459.3 mg/L
    Wat Sol (Exper. database match) =  19.00
       Exper. Ref:  BEMIS,AG ET AL (1982)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.24E-007  atm-m3/mole
   Group Method:   6.14E-008  atm-m3/mole
   Exper Database: 1.34E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.129E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.25  (exp database)
  Log Kaw used:  -2.261  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  4.511
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0035
   Biowin2 (Non-Linear Model)     :   0.9998
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0505  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0255  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8556
   Biowin6 (MITI Non-Linear Model):   0.9114
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6389
 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  ): 4.511
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.61E-007 
       Octanol/air (Koa) model:  7.96E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.8E-006 
       Mackay model           :  1.29E-005 
       Octanol/air (Koa) model:  6.37E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.5738 E-12 cm3/molecule-sec
      Half-Life =    18.642 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   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    :  36.33
      Log Koc:  1.560 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.035E-001  L/mol-sec
  Kb Half-Life at pH 8:      26.433  days   
  Kb Half-Life at pH 7:     264.327  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.033 (BCF = 10.78)
       log Kow used: 2.25 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000134 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      7.511  hours
    Half-Life from Model Lake :      198.8  hours   (8.283 days)

 Removal In Wastewater Treatment:
    Total removal:               8.69  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.34  percent
    Total to Air:                6.25  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       10.6            447          1000       
   Water     25.6            360          1000       
   Soil      63.7            720          1000       
   Sediment  0.123           3.24e+003    0          
     Persistence Time: 387 hr