Di-sec-butyl(pentyl)phosphine oxide

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) =  4.21

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  279.14  (Adapted Stein & Brown method)
    Melting Pt (deg C):  8.03  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00558  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  7.489
       log Kow used: 4.21 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1010.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.33E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.278E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.21  (KowWin est)
  Log Kaw used:  -1.662  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.872
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7454
   Biowin2 (Non-Linear Model)     :   0.8254
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9840  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7816  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2181
   Biowin6 (MITI Non-Linear Model):   0.1535
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0553
 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):  0.781 Pa (0.00586 mm Hg)
  Log Koa (Koawin est  ): 5.872
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.84E-006 
       Octanol/air (Koa) model:  1.83E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000139 
       Mackay model           :  0.000307 
       Octanol/air (Koa) model:  1.46E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  13.0302 E-12 cm3/molecule-sec
      Half-Life =     0.821 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     9.850 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000223 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  457
      Log Koc:  2.660 

 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 = 2.542 (BCF = 348.7)
       log Kow used: 4.21 (estimated)

 Volatilization from Water:
    Henry LC:  0.000533 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       3.23  hours
    Half-Life from Model Lake :        163  hours   (6.794 days)

 Removal In Wastewater Treatment:
    Total removal:              49.28  percent
    Total biodegradation:        0.35  percent
    Total sludge adsorption:    37.51  percent
    Total to Air:               11.41  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.32            19.7         1000       
   Water     16.4            360          1000       
   Soil      77.9            720          1000       
   Sediment  3.31            3.24e+003    0          
     Persistence Time: 438 hr