2-Chloro-1,1-difluoroethene

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) =  1.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  12.30  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -127.64  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.19E+003  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -138.5 deg C
    BP  (exp database):  -18.5 deg C
    VP  (exp database):  3.55E+03 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5107
       log Kow used: 1.60 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6529 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Halides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.63E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.928E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.60  (KowWin est)
  Log Kaw used:  0.824  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  0.776
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5893
   Biowin2 (Non-Linear Model)     :   0.4397
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8084  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6050  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4612
   Biowin6 (MITI Non-Linear Model):   0.0001
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7479
 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):  4.73E+005 Pa (3.55E+003 mm Hg)
  Log Koa (Koawin est  ): 0.776
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.34E-012 
       Octanol/air (Koa) model:  1.47E-012 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.29E-010 
       Mackay model           :  5.07E-010 
       Octanol/air (Koa) model:  1.17E-010 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.8048 E-12 cm3/molecule-sec
      Half-Life =    13.291 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.004004 E-17 cm3/molecule-sec
      Half-Life =   286.213 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 3.68E-010 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  67.7
      Log Koc:  1.831 

 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 = 0.530 (BCF = 3.389)
       log Kow used: 1.60 (estimated)

 Volatilization from Water:
    Henry LC:  0.163 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.016  hours
    Half-Life from Model Lake :       94.3  hours   (3.929 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              98.44  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     0.36  percent
    Total to Air:               98.06  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       51.6            305          1000       
   Water     47.5            360          1000       
   Soil      0.785           720          1000       
   Sediment  0.12            3.24e+003    0          
     Persistence Time: 129 hr