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CAS Number: 97-41-6
SMILES : O=C(OCC)C(C1(C)C)C1C=C(C)C
CHEM : Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-1-propenyl)-, e
thyl ester
MOL FOR: C12 H20 O2
MOL WT : 196.29
------------------------------ EPI SUMMARY (v4.00) --------------------------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Water Solubility (mg/L): ------
Physical Property Inputs:
Vapor Pressure (mm Hg) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 4.26
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 231.48 (Adapted Stein & Brown method)
Melting Pt (deg C): 14.99 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0724 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 9.65 (Mean VP of Antoine & Grain methods)
BP (exp database): 112 @ 10 mm Hg deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 10.44
log Kow used: 4.26 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 40.822 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Pyrethroids
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.03E-003 atm-m3/mole (1.04E+002 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: 1.791E-003 atm-m3/mole (1.815E+002 Pa-m3/mole)
VP: 0.0724 mm Hg (source: MPBPVP)
WS: 10.4 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.26 (KowWin est)
Log Kaw used: -1.376 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.636
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6443
Biowin2 (Non-Linear Model) : 0.9294
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6935 (weeks-months)
Biowin4 (Primary Survey Model) : 3.6401 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6221
Biowin6 (MITI Non-Linear Model): 0.5001
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3072
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): 9.12 Pa (0.0684 mm Hg)
Log Koa (Koawin est ): 5.636
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.29E-007
Octanol/air (Koa) model: 1.06E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.19E-005
Mackay model : 2.63E-005
Octanol/air (Koa) model: 8.49E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 89.2451 E-12 cm3/molecule-sec
Half-Life = 0.120 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.438 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):
1.91E-005 (Junge-Pankow, Mackay avg)
8.49E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 439.8 L/kg (MCI method)
Log Koc: 2.643 (MCI method)
Koc : 1644 L/kg (Kow method)
Log Koc: 3.216 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 1.201E-002 L/mol-sec
Kb Half-Life at pH 8: 1.829 years
Kb Half-Life at pH 7: 18.293 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.221 (BCF = 16.64 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.4152 days (HL = 0.3844 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.178 (BCF = 150.7)
Log BAF Arnot-Gobas method (upper trophic) = 2.178 (BAF = 150.7)
log Kow used: 4.26 (estimated)
Volatilization from Water:
Henry LC: 0.00103 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 2.226 hours
Half-Life from Model Lake : 141.8 hours (5.907 days)
Removal In Wastewater Treatment:
Total removal: 56.52 percent
Total biodegradation: 0.34 percent
Total sludge adsorption: 38.46 percent
Total to Air: 17.72 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.0997 0.523 1000
Water 17.7 900 1000
Soil 81.7 1.8e+003 1000
Sediment 0.432 8.1e+003 0
Persistence Time: 510 hr