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CAS Number: 5441-51-0
SMILES : O=C(CCC1CC)CC1
CHEM : CYCLOHEXANONE, 4-ETHYL-
MOL FOR: C8 H14 O1
MOL WT : 126.20
------------------------------ 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) = 2.03
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 191.04 (Adapted Stein & Brown method)
Melting Pt (deg C): -9.88 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.721 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 96.1 (Mean VP of Antoine & Grain methods)
BP (exp database): 193 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1741
log Kow used: 2.03 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 4975 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 9.01E-005 atm-m3/mole (9.13E+000 Pa-m3/mole)
Group Method: 3.08E-005 atm-m3/mole (3.12E+000 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: 6.877E-005 atm-m3/mole (6.968E+000 Pa-m3/mole)
VP: 0.721 mm Hg (source: MPBPVP)
WS: 1.74E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.03 (KowWin est)
Log Kaw used: -2.434 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 4.464
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6943
Biowin2 (Non-Linear Model) : 0.6821
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8978 (weeks )
Biowin4 (Primary Survey Model) : 3.6434 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5956
Biowin6 (MITI Non-Linear Model): 0.7274
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.0500
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 88 Pa (0.66 mm Hg)
Log Koa (Koawin est ): 4.464
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.41E-008
Octanol/air (Koa) model: 7.14E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.23E-006
Mackay model : 2.73E-006
Octanol/air (Koa) model: 5.72E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 15.6102 E-12 cm3/molecule-sec
Half-Life = 0.685 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 8.222 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.98E-006 (Junge-Pankow, Mackay avg)
5.72E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 53.18 L/kg (MCI method)
Log Koc: 1.726 (MCI method)
Koc : 175.2 L/kg (Kow method)
Log Koc: 2.244 (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 = 1.009 (BCF = 10.22 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7485 days (HL = 0.1784 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.994 (BCF = 9.858)
Log BAF Arnot-Gobas method (upper trophic) = 0.994 (BAF = 9.858)
log Kow used: 2.03 (estimated)
Volatilization from Water:
Henry LC: 3.08E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 22.5 hours
Half-Life from Model Lake : 339.7 hours (14.15 days)
Removal In Wastewater Treatment:
Total removal: 3.90 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 2.15 percent
Total to Air: 1.65 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.89 16.4 1000
Water 29.8 360 1000
Soil 68.2 720 1000
Sediment 0.12 3.24e+003 0
Persistence Time: 398 hr