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CAS Number:
SMILES : CC(c1cc2ccccc2o1)=C
CHEM : 2-isopropenyl-1-benzofuran
MOL FOR: C11 H10 O1
MOL WT : 158.20
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 3.99
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 248.12 (Adapted Stein & Brown method)
Melting Pt (deg C): 28.52 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0273 (Modified Grain method)
VP (Pa, 25 deg C) : 3.63 (Modified Grain method)
Subcooled liquid VP: 0.0293 mm Hg (25 deg C, Mod-Grain method)
: 3.9 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 27.4
log Kow used: 3.99 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 22.453 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.22E-004 atm-m3/mole (4.27E+001 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 2.074E-004 atm-m3/mole (2.101E+001 Pa-m3/mole)
VP: 0.0273 mm Hg (source: MPBPVP)
WS: 27.4 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.99 (KowWin est)
Log Kaw used: -1.763 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.753
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6722
Biowin2 (Non-Linear Model) : 0.6818
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8496 (weeks )
Biowin4 (Primary Survey Model) : 3.6195 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2954
Biowin6 (MITI Non-Linear Model): 0.2035
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.1323
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): 3.91 Pa (0.0293 mm Hg)
Log Koa (Koawin est ): 5.753
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 7.68E-007
Octanol/air (Koa) model: 1.39E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.77E-005
Mackay model : 6.14E-005
Octanol/air (Koa) model: 1.11E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 86.6038 E-12 cm3/molecule-sec
Half-Life = 0.124 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.482 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 13.650000 E-17 cm3/molecule-sec
Half-Life = 0.084 Days (at 7E11 mol/cm3)
Half-Life = 2.015 Hrs
Fraction sorbed to airborne particulates (phi):
4.46E-005 (Junge-Pankow, Mackay avg)
1.11E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 4056 L/kg (MCI method)
Log Koc: 3.608 (MCI method)
Koc : 2901 L/kg (Kow method)
Log Koc: 3.463 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.298 (BCF = 198.7 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.1227 days (HL = 1.326 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.557 (BCF = 361)
Log BAF Arnot-Gobas method (upper trophic) = 2.558 (BAF = 361.3)
log Kow used: 3.99 (estimated)
Volatilization from Water:
Henry LC: 0.000422 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.029 hours
Half-Life from Model Lake : 138.5 hours (5.771 days)
Removal In Wastewater Treatment:
Total removal: 39.13 percent
Total biodegradation: 0.28 percent
Total sludge adsorption: 27.53 percent
Total to Air: 11.32 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.183 1.2 1000
Water 17.5 360 1000
Soil 80.2 720 1000
Sediment 2.2 3.24e+003 0
Persistence Time: 423 hr