Cyclopenta[cd]pyrene C18H10 structure – Flashcards

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

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

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 5.70

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 400.85 (Adapted Stein & Brown method)
 Melting Pt (deg C): 147.00 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 4.58E-007 (Modified Grain method)
 Subcooled liquid VP: 7.93E-006 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 0.03352
 log Kow used: 5.70 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.0073811 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 8.65E-007 atm-m3/mole
 Group Method: 1.23E-007 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 4.068E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 5.70 (KowWin est)
 Log Kaw used: -4.451 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 10.151
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -0.0175
 Biowin2 (Non-Linear Model) : 0.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 1.8998 (months )
 Biowin4 (Primary Survey Model) : 2.8190 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.1171
 Biowin6 (MITI Non-Linear Model): 0.0479
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.0744
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 2.9369
 BioHC Half-Life (days) : 864.7412

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 0.00106 Pa (7.93E-006 mm Hg)
 Log Koa (Koawin est ): 10.151
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00284 
 Octanol/air (Koa) model: 0.00348 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.093 
 Mackay model : 0.185 
 Octanol/air (Koa) model: 0.218 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 100.5947 E-12 cm3/molecule-sec
 Half-Life = 0.106 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 1.276 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 25.199999 E-17 cm3/molecule-sec
 Half-Life = 0.045 Days (at 7E11 mol/cm3)
 Half-Life = 1.091 Hrs
 Fraction sorbed to airborne particulates (phi): 0.139 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2.313E+005
 Log Koc: 5.364 

 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 = 3.689 (BCF = 4888)
 log Kow used: 5.70 (estimated)

 Volatilization from Water:
 Henry LC: 1.23E-007 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 7162 hours (298.4 days)
 Half-Life from Model Lake : 7.826E+004 hours (3261 days)

 Removal In Wastewater Treatment:
 Total removal: 90.34 percent
 Total biodegradation: 0.76 percent
 Total sludge adsorption: 89.58 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 0.0108 0.764 1000 
 Water 4.27 1.44e+003 1000 
 Soil 43.1 2.88e+003 1000 
 Sediment 52.6 1.3e+004 0 
 Persistence Time: 3.28e+003 hr