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CAS Number: 70158-20-2
SMILES : CCCCC(CC)COC(=O)CCC(=O)C
CHEM : 2-ethylhexyl 4-oxopentanoate
MOL FOR: C13 H24 O3
MOL WT : 228.33
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 3.16
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 286.63 (Adapted Stein & Brown method)
Melting Pt (deg C): 47.04 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00249 (Modified Grain method)
VP (Pa, 25 deg C) : 0.332 (Modified Grain method)
Subcooled liquid VP: 0.00396 mm Hg (25 deg C, Mod-Grain method)
: 0.528 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 62.07
log Kow used: 3.16 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 97.44 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.14E-006 atm-m3/mole (1.15E-001 Pa-m3/mole)
Group Method: 2.81E-007 atm-m3/mole (2.85E-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: 1.205E-005 atm-m3/mole (1.221E+000 Pa-m3/mole)
VP: 0.00249 mm Hg (source: MPBPVP)
WS: 62.1 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.16 (KowWin est)
Log Kaw used: -4.332 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.492
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9283
Biowin2 (Non-Linear Model) : 0.9947
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1107 (weeks )
Biowin4 (Primary Survey Model) : 3.9941 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7908
Biowin6 (MITI Non-Linear Model): 0.8983
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.0757
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): 0.528 Pa (0.00396 mm Hg)
Log Koa (Koawin est ): 7.492
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.68E-006
Octanol/air (Koa) model: 7.62E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000205
Mackay model : 0.000454
Octanol/air (Koa) model: 0.000609
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 12.9993 E-12 cm3/molecule-sec
Half-Life = 0.823 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 9.874 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.00033 (Junge-Pankow, Mackay avg)
0.000609 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 136 L/kg (MCI method)
Log Koc: 2.133 (MCI method)
Koc : 635.3 L/kg (Kow method)
Log Koc: 2.803 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.434E-002 L/mol-sec
Kb Half-Life at pH 8: 329.596 days
Kb Half-Life at pH 7: 9.024 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.753 (BCF = 56.57 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.3442 days (HL = 0.04527 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.233 (BCF = 17.11)
Log BAF Arnot-Gobas method (upper trophic) = 1.233 (BAF = 17.11)
log Kow used: 3.16 (estimated)
Volatilization from Water:
Henry LC: 2.81E-007 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 3150 hours (131.2 days)
Half-Life from Model Lake : 3.449E+004 hours (1437 days)
Removal In Wastewater Treatment:
Total removal: 7.32 percent
Total biodegradation: 0.14 percent
Total sludge adsorption: 7.17 percent
Total to Air: 0.02 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.23 19.7 1000
Water 25 360 1000
Soil 73.6 720 1000
Sediment 0.18 3.24e+003 0
Persistence Time: 502 hr