This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Num: 075587-05-2
SMILES : CCOC(=O)CCCC(O)CCC
CHEM : Octanoic acid, 5-hydroxy-, ethyl ester
MOL FOR: C10 H20 O3
MOL WT : 188.27
------------------------------ 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) = 2.27
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 261.85 (Adapted Stein & Brown method)
Melting Pt (deg C): 28.34 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00141 (Modified Grain method)
VP (Pa, 25 deg C) : 0.188 (Modified Grain method)
Subcooled liquid VP: 0.00151 mm Hg (25 deg C, Mod-Grain method)
: 0.202 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1860
log Kow used: 2.27 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 2031.5 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.66E-008 atm-m3/mole (4.72E-003 Pa-m3/mole)
Group Method: 2.39E-008 atm-m3/mole (2.42E-003 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: 1.878E-007 atm-m3/mole (1.903E-002 Pa-m3/mole)
VP: 0.00141 mm Hg (source: MPBPVP)
WS: 1.86E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.27 (KowWin est)
Log Kaw used: -5.720 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.990
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9908
Biowin2 (Non-Linear Model) : 0.9961
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0833 (weeks )
Biowin4 (Primary Survey Model) : 3.9345 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.9036
Biowin6 (MITI Non-Linear Model): 0.9551
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.9716
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): 0.201 Pa (0.00151 mm Hg)
Log Koa (Koawin est ): 7.990
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.49E-005
Octanol/air (Koa) model: 2.4E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000538
Mackay model : 0.00119
Octanol/air (Koa) model: 0.00192
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 17.9857 E-12 cm3/molecule-sec
Half-Life = 0.595 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 7.136 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000864 (Junge-Pankow, Mackay avg)
0.00192 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 16.52 L/kg (MCI method)
Log Koc: 1.218 (MCI method)
Koc : 50.54 L/kg (Kow method)
Log Koc: 1.704 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 6.266E-002 L/mol-sec
Kb Half-Life at pH 8: 128.021 days
Kb Half-Life at pH 7: 3.505 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.166 (BCF = 14.67 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.6994 days (HL = 0.01998 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.720 (BCF = 5.254)
Log BAF Arnot-Gobas method (upper trophic) = 0.720 (BAF = 5.254)
log Kow used: 2.27 (estimated)
Volatilization from Water:
Henry LC: 2.39E-008 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 3.361E+004 hours (1401 days)
Half-Life from Model Lake : 3.668E+005 hours (1.528E+004 days)
Removal In Wastewater Treatment:
Total removal: 2.59 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.49 percent
Total to Air: 0.00 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.367 14.3 1000
Water 30 360 1000
Soil 69.6 720 1000
Sediment 0.0756 3.24e+003 0
Persistence Time: 568 hr