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CAS Num: 000103-38-8
SMILES : O=C(OCc(cccc1)c1)CC(C)C
CHEM : Butanoic acid, 3-methyl-, phenylmethyl ester
MOL FOR: C12 H16 O2
MOL WT : 192.26
------------------------------ 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) = 3.48
Log Kow (Exper. database match) = 3.26
Exper. Ref: YANG,H ET AL. (1987)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 258.98 (Adapted Stein & Brown method)
Melting Pt (deg C): 21.57 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0355 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 4.74 (Mean VP of Antoine & Grain methods)
BP (exp database): 245 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 78.74
log Kow used: 3.26 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 44.104 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.31E-005 atm-m3/mole (3.36E+000 Pa-m3/mole)
Group Method: 5.11E-006 atm-m3/mole (5.18E-001 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: 1.141E-004 atm-m3/mole (1.156E+001 Pa-m3/mole)
VP: 0.0355 mm Hg (source: MPBPVP)
WS: 78.7 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.26 (exp database)
Log Kaw used: -2.869 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.129
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9583
Biowin2 (Non-Linear Model) : 0.9979
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9365 (weeks )
Biowin4 (Primary Survey Model) : 3.8042 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4689
Biowin6 (MITI Non-Linear Model): 0.5662
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4426
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): 4.59 Pa (0.0344 mm Hg)
Log Koa (Koawin est ): 6.129
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 6.54E-007
Octanol/air (Koa) model: 3.3E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 2.36E-005
Mackay model : 5.23E-005
Octanol/air (Koa) model: 2.64E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 9.4164 E-12 cm3/molecule-sec
Half-Life = 1.136 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 13.631 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
3.8E-005 (Junge-Pankow, Mackay avg)
2.64E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 610.8 L/kg (MCI method)
Log Koc: 2.786 (MCI method)
Koc : 459.9 L/kg (Kow method)
Log Koc: 2.663 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 5.643E-002 L/mol-sec
Kb Half-Life at pH 8: 142.162 days
Kb Half-Life at pH 7: 3.892 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.818 (BCF = 65.76 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.5011 days (HL = 0.03155 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.110 (BCF = 12.89)
Log BAF Arnot-Gobas method (upper trophic) = 1.110 (BAF = 12.89)
log Kow used: 3.26 (expkow database)
Volatilization from Water:
Henry LC: 5.11E-006 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 160.3 hours (6.678 days)
Half-Life from Model Lake : 1865 hours (77.7 days)
Removal In Wastewater Treatment:
Total removal: 8.87 percent
Total biodegradation: 0.15 percent
Total sludge adsorption: 8.46 percent
Total to Air: 0.27 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.99 27.3 1000
Water 24.5 360 1000
Soil 72.9 720 1000
Sediment 0.569 3.24e+003 0
Persistence Time: 471 hr