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CAS Number: 20296-50-8
SMILES : CC1=CCC2C(C1)C2(C)C
CHEM : (1S,6R)-4,7,7-trimethylbicyclo[4.1.0]hept-3-ene
MOL FOR: C10 H16
MOL WT : 136.24
------------------------------ 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) = 4.61
Log Kow (Exper. database match) = 4.38
Exper. Ref: GRIFFIN,S ET AL. (1999)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 157.25 (Adapted Stein & Brown method)
Melting Pt (deg C): -13.62 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.09 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 279 (Mean VP of Antoine & Grain methods)
MP (exp database): < 25 deg C
BP (exp database): 170 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 4.581
log Kow used: 4.38 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 3.4834 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.07E-001 atm-m3/mole (1.08E+004 Pa-m3/mole)
Group Method: 4.25E-002 atm-m3/mole (4.31E+003 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 8.179E-002 atm-m3/mole (8.287E+003 Pa-m3/mole)
VP: 2.09 mm Hg (source: MPBPVP)
WS: 4.58 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.38 (exp database)
Log Kaw used: 0.641 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.739
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.4988
Biowin2 (Non-Linear Model) : 0.3432
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6860 (weeks-months)
Biowin4 (Primary Survey Model) : 3.4977 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4462
Biowin6 (MITI Non-Linear Model): 0.3302
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.0285
Ready Biodegradability Prediction: NO
Hydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 1.6807
BioHC Half-Life (days) : 47.9347
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 255 Pa (1.91 mm Hg)
Log Koa (Koawin est ): 3.739
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.18E-008
Octanol/air (Koa) model: 1.35E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.25E-007
Mackay model : 9.42E-007
Octanol/air (Koa) model: 1.08E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 88.1583 E-12 cm3/molecule-sec
Half-Life = 0.121 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.456 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 43.000000 E-17 cm3/molecule-sec
Half-Life = 0.027 Days (at 7E11 mol/cm3)
Half-Life = 38.378 Min
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
6.84E-007 (Junge-Pankow, Mackay avg)
1.08E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1020 L/kg (MCI method)
Log Koc: 3.009 (MCI method)
Koc : 6324 L/kg (Kow method)
Log Koc: 3.801 (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 = 2.557 (BCF = 360.5 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 0.8608 days (HL = 7.258 days)
Log BCF Arnot-Gobas method (upper trophic) = 3.127 (BCF = 1339)
Log BAF Arnot-Gobas method (upper trophic) = 3.149 (BAF = 1410)
log Kow used: 4.38 (expkow database)
Volatilization from Water:
Henry LC: 0.107 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.197 hours
Half-Life from Model Lake : 110.9 hours (4.622 days)
Removal In Wastewater Treatment (recommended maximum 95%):
Total removal: 98.19 percent
Total biodegradation: 0.11 percent
Total sludge adsorption: 29.98 percent
Total to Air: 68.10 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.5 1.28 1000
Water 75.7 900 1000
Soil 18.5 1.8e+003 1000
Sediment 4.28 8.1e+003 0
Persistence Time: 103 hr