dimethyl ether

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

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.07
    Log Kow (Exper. database match) =  0.10
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  -6.68  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -128.10  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.85E+003  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -141.5 deg C
    BP  (exp database):  -24.8 deg C
    VP  (exp database):  4.45E+03 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.093e+005
       log Kow used: 0.10 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  3.53e+005 mg/L (25 deg C)
        Exper. Ref:  RIDDICK,JA ET AL. (1986)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.505e+005 mg/L
    Wat Sol (Exper. database match) =  353000.00
       Exper. Ref:  RIDDICK,JA ET AL. (1986)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.62E-004  atm-m3/mole
   Group Method:   4.99E-004  atm-m3/mole
   Exper Database: 1.31E-03  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.215E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.10  (exp database)
  Log Kaw used:  -1.271  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  1.371
      Log Koa (experimental database):  1.370

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3783
   Biowin2 (Non-Linear Model)     :   0.2545
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0887  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7715  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5774
   Biowin6 (MITI Non-Linear Model):   0.7554
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4197
 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):  5.93E+005 Pa (4.45E+003 mm Hg)
  Log Koa (Exp database): 1.370
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.06E-012 
       Octanol/air (Koa) model:  5.75E-012 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.83E-010 
       Mackay model           :  4.04E-010 
       Octanol/air (Koa) model:  4.6E-010 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.6592 E-12 cm3/molecule-sec
      Half-Life =     6.446 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    77.358 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.94E-010 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.292
      Log Koc:  0.111 

 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: 0.10 (expkow database)

 Volatilization from Water:
    Henry LC:  0.00131 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      0.996  hours   (59.76 min)
    Half-Life from Model Lake :      67.78  hours   (2.824 days)

 Removal In Wastewater Treatment:
    Total removal:              36.13  percent
    Total biodegradation:        0.07  percent
    Total sludge adsorption:     1.23  percent
    Total to Air:               34.84  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       32.9            86.1         1000       
   Water     53.2            360          1000       
   Soil      13.8            720          1000       
   Sediment  0.0984          3.24e+003    0          
     Persistence Time: 131 hr