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CAS Num: 059354-71-1
SMILES : O=C(OC(Cc(cccc1)c1)(C)C)C(C)C
CHEM : Propanoic acid, 2-methyl-, 1,1-dimethyl-2-phenylethyl ester
MOL FOR: C14 H20 O2
MOL WT : 220.31
------------------------------ 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) = 4.35
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 275.57 (Adapted Stein & Brown method)
Melting Pt (deg C): 38.90 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0053 (Modified Grain method)
VP (Pa, 25 deg C) : 0.706 (Modified Grain method)
Subcooled liquid VP: 0.00707 mm Hg (25 deg C, Mod-Grain method)
: 0.943 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 6.587
log Kow used: 4.35 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 10.49 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.84E-005 atm-m3/mole (5.91E+000 Pa-m3/mole)
Group Method: 2.18E-005 atm-m3/mole (2.21E+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: 2.332E-004 atm-m3/mole (2.363E+001 Pa-m3/mole)
VP: 0.0053 mm Hg (source: MPBPVP)
WS: 6.59 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.35 (KowWin est)
Log Kaw used: -2.622 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.972
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8157
Biowin2 (Non-Linear Model) : 0.9902
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.5876 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5418 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4044
Biowin6 (MITI Non-Linear Model): 0.3693
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.1912
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): 0.943 Pa (0.00707 mm Hg)
Log Koa (Koawin est ): 6.972
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.18E-006
Octanol/air (Koa) model: 2.3E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000115
Mackay model : 0.000255
Octanol/air (Koa) model: 0.000184
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 7.2644 E-12 cm3/molecule-sec
Half-Life = 1.472 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 17.669 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000185 (Junge-Pankow, Mackay avg)
0.000184 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1457 L/kg (MCI method)
Log Koc: 3.163 (MCI method)
Koc : 1843 L/kg (Kow method)
Log Koc: 3.266 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 1.668E-002 L/mol-sec
Kb Half-Life at pH 8: 1.317 years
Kb Half-Life at pH 7: 13.170 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.538 (BCF = 345.4 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.8918 days (HL = 0.1283 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.732 (BCF = 54)
Log BAF Arnot-Gobas method (upper trophic) = 1.732 (BAF = 54.01)
log Kow used: 4.35 (estimated)
Volatilization from Water:
Henry LC: 2.18E-005 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 41.38 hours (1.724 days)
Half-Life from Model Lake : 575.9 hours (23.99 days)
Removal In Wastewater Treatment:
Total removal: 48.39 percent
Total biodegradation: 0.46 percent
Total sludge adsorption: 47.34 percent
Total to Air: 0.60 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.18 35.3 1000
Water 16.6 900 1000
Soil 80.8 1.8e+003 1000
Sediment 1.36 8.1e+003 0
Persistence Time: 1.05e+003 hr