Crotamiton C13H17NO 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) = 2.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 325.88 (Adapted Stein & Brown method)
 Melting Pt (deg C): 93.97 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.000489 (Modified Grain method)
 MP (exp database): < 25 deg C
 BP (exp database): 154 @ 13 mm Hg deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 195.3
 log Kow used: 2.73 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 420.38 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.53E-007 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 6.697E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.73 (KowWin est)
 Log Kaw used: -5.204 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 7.934
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9156
 Biowin2 (Non-Linear Model) : 0.9674
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6209 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.6913 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3709
 Biowin6 (MITI Non-Linear Model): 0.2416
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.7655
 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): 0.0652 Pa (0.000489 mm Hg)
 Log Koa (Koawin est ): 7.934
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 4.6E-005 
 Octanol/air (Koa) model: 2.11E-005 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.00166 
 Mackay model : 0.00367 
 Octanol/air (Koa) model: 0.00168 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 39.2296 E-12 cm3/molecule-sec [Cis-isomer]
 OVERALL OH Rate Constant = 41.8896 E-12 cm3/molecule-sec [Trans-isomer]
 Half-Life = 3.272 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
 Half-Life = 3.064 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 0.568750 E-17 cm3/molecule-sec [Cis-]
 OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec [Trans-]
 Half-Life = 2.015 Days (at 7E11 mol/cm3) [Cis-isomer]
 Half-Life = 1.007 Days (at 7E11 mol/cm3) [Trans-isomer]
 Fraction sorbed to airborne particulates (phi): 0.00266 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 550.1
 Log Koc: 2.740 

 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 = 1.404 (BCF = 25.34)
 log Kow used: 2.73 (estimated)

 Volatilization from Water:
 Henry LC: 1.53E-007 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 5458 hours (227.4 days)
 Half-Life from Model Lake : 5.966E+004 hours (2486 days)

 Removal In Wastewater Treatment:
 Total removal: 3.96 percent
 Total biodegradation: 0.11 percent
 Total sludge adsorption: 3.84 percent
 Total to Air: 0.01 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.216 5.76 1000 
 Water 20 900 1000 
 Soil 79.6 1.8e+003 1000 
 Sediment 0.255 8.1e+003 0 
 Persistence Time: 1.06e+003 hr