4′-methyl-4-nitrostilbene C15H13NO2 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) = 2.69

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 523.91 (Adapted Stein & Brown method)
 Melting Pt (deg C): 223.77 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 2.57E-013 (Modified Grain method)
 Subcooled liquid VP: 3.45E-011 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): 135.3
 log Kow used: 2.69 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1.1965 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.49E-016 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 6.005E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.69 (KowWin est)
 Log Kaw used: -14.215 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 16.905
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6878
 Biowin2 (Non-Linear Model) : 0.5433
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5933 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4325 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.1076
 Biowin6 (MITI Non-Linear Model): 0.0557
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.8839
 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): 4.6E-009 Pa (3.45E-011 mm Hg)
 Log Koa (Koawin est ): 16.905
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 652 
 Octanol/air (Koa) model: 1.97E+004 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1 
 Mackay model : 1 
 Octanol/air (Koa) model: 1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 61.7136 E-12 cm3/molecule-sec [Cis-isomer]
 OVERALL OH Rate Constant = 69.3136 E-12 cm3/molecule-sec [Trans-isomer]
 Half-Life = 2.080 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
 Half-Life = 1.852 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 12.599999 E-17 cm3/molecule-sec [Cis-]
 OVERALL Ozone Rate Constant = 25.199999 E-17 cm3/molecule-sec [Trans-]
 Half-Life = 2.183 Hrs (at 7E11 mol/cm3) [Cis-isomer]
 Half-Life = 1.091 Hrs (at 7E11 mol/cm3) [Trans-isomer]
 Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2.784E+004
 Log Koc: 4.445 

 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 = 1.370 (BCF = 23.46)
 log Kow used: 2.69 (estimated)

 Volatilization from Water:
 Henry LC: 1.49E-016 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 6.091E+012 hours (2.538E+011 days)
 Half-Life from Model Lake : 6.645E+013 hours (2.769E+012 days)

 Removal In Wastewater Treatment:
 Total removal: 3.77 percent
 Total biodegradation: 0.11 percent
 Total sludge adsorption: 3.66 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 4.5e-005 1.43 1000 
 Water 14.5 900 1000 
 Soil 85.4 1.8e+003 1000 
 Sediment 0.171 8.1e+003 0 
 Persistence Time: 1.71e+003 hr