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: 000141-03-7
SMILES : O=C(OCCCC)CCC(=O)OCCCC
CHEM : Butanedioic acid, dibutyl ester
MOL FOR: C12 H22 O4
MOL WT : 230.31
------------------------------ 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) = 3.35
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 261.71 (Adapted Stein & Brown method)
Melting Pt (deg C): -27.17 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.00721 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 0.961 (Mean VP of Antoine & Grain methods)
MP (exp database): -29.2 deg C
BP (exp database): 274.5 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 41.65
log Kow used: 3.35 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 230 mg/L ( deg C)
Exper. Ref: BEILSTEIN
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 66.731 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.03E-006 atm-m3/mole (3.07E-001 Pa-m3/mole)
Group Method: 4.66E-007 atm-m3/mole (4.72E-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: 5.246E-005 atm-m3/mole (5.315E+000 Pa-m3/mole)
VP: 0.00721 mm Hg (source: MPBPVP)
WS: 41.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.35 (KowWin est)
Log Kaw used: -3.907 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.257
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.2031
Biowin2 (Non-Linear Model) : 1.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.5673 (days-weeks )
Biowin4 (Primary Survey Model) : 4.5115 (hours-days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.1106
Biowin6 (MITI Non-Linear Model): 0.9859
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.5931
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): 0.997 Pa (0.00748 mm Hg)
Log Koa (Koawin est ): 7.257
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 3.01E-006
Octanol/air (Koa) model: 4.44E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000109
Mackay model : 0.000241
Octanol/air (Koa) model: 0.000355
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 9.8468 E-12 cm3/molecule-sec
Half-Life = 1.086 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 13.035 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000175 (Junge-Pankow, Mackay avg)
0.000355 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 104.9 L/kg (MCI method)
Log Koc: 2.021 (MCI method)
Koc : 443.5 L/kg (Kow method)
Log Koc: 2.647 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 7.578E-002 L/mol-sec
Kb Half-Life at pH 8: 105.865 days
Kb Half-Life at pH 7: 2.898 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.878 (BCF = 75.55 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.8667 days (HL = 0.01359 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.809 (BCF = 6.439)
Log BAF Arnot-Gobas method (upper trophic) = 0.809 (BAF = 6.439)
log Kow used: 3.35 (estimated)
Volatilization from Water:
Henry LC: 4.66E-007 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1908 hours (79.51 days)
Half-Life from Model Lake : 2.094E+004 hours (872.7 days)
Removal In Wastewater Treatment:
Total removal: 10.07 percent
Total biodegradation: 0.16 percent
Total sludge adsorption: 9.88 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 2.61 26.1 1000
Water 27.4 208 1000
Soil 69.8 416 1000
Sediment 0.142 1.87e+003 0
Persistence Time: 303 hr