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CAS Num: 031416-78-1
SMILES : O=C(C=CC)OC1CCCCC1
CHEM : 2-Butenoic acid, cyclohexyl ester, (E)-
MOL FOR: C10 H16 O2
MOL WT : 168.24
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 3.41
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 225.07 (Adapted Stein & Brown method)
Melting Pt (deg C): -4.16 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.101 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 13.5 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 76.75
log Kow used: 3.41 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 657.23 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Acrylates
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.63E-004 atm-m3/mole (2.67E+001 Pa-m3/mole)
Group Method: 4.66E-005 atm-m3/mole (4.72E+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: 2.913E-004 atm-m3/mole (2.952E+001 Pa-m3/mole)
VP: 0.101 mm Hg (source: MPBPVP)
WS: 76.8 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.41 (KowWin est)
Log Kaw used: -1.969 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.379
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8416
Biowin2 (Non-Linear Model) : 0.9910
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9676 (weeks )
Biowin4 (Primary Survey Model) : 3.8340 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6792
Biowin6 (MITI Non-Linear Model): 0.7764
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.2207
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): 12.6 Pa (0.0946 mm Hg)
Log Koa (Koawin est ): 5.379
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.38E-007
Octanol/air (Koa) model: 5.87E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 8.59E-006
Mackay model : 1.9E-005
Octanol/air (Koa) model: 4.7E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 31.6373 E-12 cm3/molecule-sec [Cis-isomer]
OVERALL OH Rate Constant = 34.2973 E-12 cm3/molecule-sec [Trans-isomer]
Half-Life = 4.057 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
Half-Life = 3.742 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):
1.38E-005 (Junge-Pankow, Mackay avg)
4.7E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 218.7 L/kg (MCI method)
Log Koc: 2.340 (MCI method)
Koc : 556.8 L/kg (Kow method)
Log Koc: 2.746 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.203E-003 L/mol-sec
Kb Half-Life at pH 8: 9.968 years
Kb Half-Life at pH 7: 99.676 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.917 (BCF = 82.58 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7444 days (HL = 0.1802 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.772 (BCF = 59.2)
Log BAF Arnot-Gobas method (upper trophic) = 1.772 (BAF = 59.2)
log Kow used: 3.41 (estimated)
Volatilization from Water:
Henry LC: 4.66E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 17.62 hours
Half-Life from Model Lake : 301 hours (12.54 days)
Removal In Wastewater Treatment:
Total removal: 13.21 percent
Total biodegradation: 0.17 percent
Total sludge adsorption: 10.84 percent
Total to Air: 2.20 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.827 6.95 1000
Water 24.6 360 1000
Soil 74.3 720 1000
Sediment 0.251 3.24e+003 0
Persistence Time: 427 hr