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CAS Num: 000142-60-9
SMILES : O=C(OCCCCCCCC)CC
CHEM : Propanoic acid, octyl ester
MOL FOR: C11 H22 O2
MOL WT : 186.30
------------------------------ 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) = 4.30
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 229.67 (Adapted Stein & Brown method)
Melting Pt (deg C): 1.67 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0867 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 11.6 (Mean VP of Antoine & Grain methods)
MP (exp database): -42.6 deg C
BP (exp database): 228 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 10.87
log Kow used: 4.30 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 14.338 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.69E-003 atm-m3/mole (1.71E+002 Pa-m3/mole)
Group Method: 1.77E-003 atm-m3/mole (1.80E+002 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: 1.955E-003 atm-m3/mole (1.981E+002 Pa-m3/mole)
VP: 0.0867 mm Hg (source: MPBPVP)
WS: 10.9 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.30 (KowWin est)
Log Kaw used: -1.161 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.461
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9415
Biowin2 (Non-Linear Model) : 0.9981
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2260 (weeks )
Biowin4 (Primary Survey Model) : 4.0770 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8978
Biowin6 (MITI Non-Linear Model): 0.9556
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7390
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): 10.9 Pa (0.0816 mm Hg)
Log Koa (Koawin est ): 5.461
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.76E-007
Octanol/air (Koa) model: 7.1E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 9.96E-006
Mackay model : 2.21E-005
Octanol/air (Koa) model: 5.68E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 10.6763 E-12 cm3/molecule-sec
Half-Life = 1.002 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 12.022 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.6E-005 (Junge-Pankow, Mackay avg)
5.68E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 390.2 L/kg (MCI method)
Log Koc: 2.591 (MCI method)
Koc : 1730 L/kg (Kow method)
Log Koc: 3.238 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.856E-002 L/mol-sec
Kb Half-Life at pH 8: 208.057 days
Kb Half-Life at pH 7: 5.696 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.131 (BCF = 13.52 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7353 days (HL = 0.1839 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.881 (BCF = 75.97)
Log BAF Arnot-Gobas method (upper trophic) = 1.881 (BAF = 75.97)
log Kow used: 4.30 (estimated)
Volatilization from Water:
Henry LC: 0.00177 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1.844 hours
Half-Life from Model Lake : 134.6 hours (5.607 days)
Removal In Wastewater Treatment:
Total removal: 63.49 percent
Total biodegradation: 0.32 percent
Total sludge adsorption: 38.63 percent
Total to Air: 24.54 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 5.82 24 1000
Water 24.1 360 1000
Soil 69.7 720 1000
Sediment 0.386 3.24e+003 0
Persistence Time: 275 hr