Cypermethrin

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) =  6.38
    Log Kow (Exper. database match) =  6.60
       Exper. Ref:  Tomlin,C (1997)
    Log Kow (Exper. database match) =  6.05
       Exper. Ref:  Sangster (1993)
    Log Kow (Exper. database match) =  6.06
       Exper. Ref:  Sangster (1993)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  450.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  82.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.3E-007  (Modified Grain method)
    MP  (exp database):  84 deg C
    BP  (exp database):  200 @ 0.07 mm Hg deg C
    VP  (exp database):  1.30E-03 mm Hg at 20 deg C
    Subcooled liquid VP: 0.00498 mm Hg (20 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.0088
       log Kow used: 6.06 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.004 mg/L (20 deg C)
        Exper. Ref:  WAUCHOPE,RD ET AL. (1991A)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.016524 mg/L
    Wat Sol (Exper. database match) =  0.00
       Exper. Ref:  WAUCHOPE,RD ET AL. (1991A)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.89E-007  atm-m3/mole
   Group Method:   Incomplete
   Exper Database: 4.20E-07  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.092E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.06  (exp database)
  Log Kaw used:  -4.765  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  10.825
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8838
   Biowin2 (Non-Linear Model)     :   0.9883
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7424  (recalcitrant)
   Biowin4 (Primary Survey Model) :   3.1382  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2501
   Biowin6 (MITI Non-Linear Model):   0.0054
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0610
 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):  0.664 Pa (0.00498 mm Hg)
  Log Koa (Koawin est  ): 10.825
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.52E-006 
       Octanol/air (Koa) model:  0.0164 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000163 
       Mackay model           :  0.000361 
       Octanol/air (Koa) model:  0.568 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.4274 E-12 cm3/molecule-sec
      Half-Life =     0.499 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.990 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.023261 E-17 cm3/molecule-sec
      Half-Life =    49.268 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.000262 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.08E+005
      Log Koc:  5.034 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.124E-003  L/mol-sec
  Kb Half-Life at pH 8:       3.587  years  
  Kb Half-Life at pH 7:      35.867  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.316 (BCF = 207.1)
       log Kow used: 6.06 (expkow database)

 Volatilization from Water:
    Henry LC:  4.2E-007 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:       2846  hours   (118.6 days)
    Half-Life from Model Lake : 3.122E+004  hours   (1301 days)

 Removal In Wastewater Treatment:
    Total removal:              92.39  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    91.62  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.037           11.9         1000       
   Water     1.39            4.32e+003    1000       
   Soil      50.6            8.64e+003    1000       
   Sediment  48              3.89e+004    0          
     Persistence Time: 9.99e+003 hr