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CAS Number: 1115-30-6
SMILES : O=C(OCC)C(C(=O)C)CC(=O)OCC
CHEM : Butanedioic acid, acetyl-, diethyl ester
MOL FOR: C10 H16 O5
MOL WT : 216.24
------------------------------ EPI SUMMARY (v4.10) --------------------------
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 v1.68 estimate) = 0.25
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 250.56 (Adapted Stein & Brown method)
Melting Pt (deg C): -24.24 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0208 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 2.78 (Mean VP of Antoine & Grain methods)
BP (exp database): 255 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 2.221e+004
log Kow used: 0.25 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 48856 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 6.57E-010 atm-m3/mole (6.66E-005 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 2.665E-007 atm-m3/mole (2.700E-002 Pa-m3/mole)
VP: 0.0208 mm Hg (source: MPBPVP)
WS: 2.22E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.25 (KowWin est)
Log Kaw used: -7.571 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 7.821
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9998
Biowin2 (Non-Linear Model) : 0.9995
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9793 (weeks )
Biowin4 (Primary Survey Model) : 3.9715 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.9729
Biowin6 (MITI Non-Linear Model): 0.9629
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4613
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): 2.75 Pa (0.0206 mm Hg)
Log Koa (Koawin est ): 7.821
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.09E-006
Octanol/air (Koa) model: 1.63E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.94E-005
Mackay model : 8.74E-005
Octanol/air (Koa) model: 0.0013
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 5.1094 E-12 cm3/molecule-sec
Half-Life = 2.093 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 25.121 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
6.34E-005 (Junge-Pankow, Mackay avg)
0.0013 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 10 L/kg (MCI method)
Log Koc: 1.000 (MCI method)
Koc : 13.42 L/kg (Kow method)
Log Koc: 1.128 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 6.056E-002 L/mol-sec
Kb Half-Life at pH 8: 132.459 days
Kb Half-Life at pH 7: 3.627 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -3.1004 days (HL = 0.0007935 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.033 (BCF = 0.9267)
Log BAF Arnot-Gobas method (upper trophic) = -0.033 (BAF = 0.9267)
log Kow used: 0.25 (estimated)
Volatilization from Water:
Henry LC: 6.57E-010 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.31E+006 hours (5.46E+004 days)
Half-Life from Model Lake : 1.43E+007 hours (5.957E+005 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 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 0.0139 50.2 1000
Water 30.6 360 1000
Soil 69.3 720 1000
Sediment 0.0689 3.24e+003 0
Persistence Time: 639 hr