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CAS Number: 621-14-7
SMILES : O=C(Oc(cccc1)c1)CCC(=O)Oc(cccc2)c2
CHEM : Butanedioic acid, diphenyl ester
MOL FOR: C16 H14 O4
MOL WT : 270.29
------------------------------ 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) = 2.84
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 352.64 (Adapted Stein & Brown method)
Melting Pt (deg C): 19.06 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 4.36E-005 (Modified Grain method)
VP (Pa, 25 deg C) : 0.00581 (Modified Grain method)
MP (exp database): 121 deg C
BP (exp database): 330 deg C
Subcooled liquid VP: 0.000391 mm Hg (25 deg C, Mod-Grain method)
: 0.0522 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 68.6
log Kow used: 2.84 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 20.891 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 7.57E-008 atm-m3/mole (7.67E-003 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: 2.260E-007 atm-m3/mole (2.290E-002 Pa-m3/mole)
VP: 4.36E-005 mm Hg (source: MPBPVP)
WS: 68.6 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.84 (KowWin est)
Log Kaw used: -5.509 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.349
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.2234
Biowin2 (Non-Linear Model) : 1.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9263 (weeks )
Biowin4 (Primary Survey Model) : 3.9255 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7765
Biowin6 (MITI Non-Linear Model): 0.8423
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7138
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): 0.0521 Pa (0.000391 mm Hg)
Log Koa (Koawin est ): 8.349
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.75E-005
Octanol/air (Koa) model: 5.48E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.00207
Mackay model : 0.00458
Octanol/air (Koa) model: 0.00437
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 4.7342 E-12 cm3/molecule-sec
Half-Life = 2.259 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 27.112 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.00333 (Junge-Pankow, Mackay avg)
0.00437 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1207 L/kg (MCI method)
Log Koc: 3.082 (MCI method)
Koc : 231.6 L/kg (Kow method)
Log Koc: 2.365 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 9.650E-001 L/mol-sec
Kb Half-Life at pH 8: 8.313 days
Kb Half-Life at pH 7: 83.129 days
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 1.540 (BCF = 34.65 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.2286 days (HL = 0.005907 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.622 (BCF = 4.192)
Log BAF Arnot-Gobas method (upper trophic) = 0.622 (BAF = 4.192)
log Kow used: 2.84 (estimated)
Volatilization from Water:
Henry LC: 7.57E-008 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.272E+004 hours (529.9 days)
Half-Life from Model Lake : 1.389E+005 hours (5786 days)
Removal In Wastewater Treatment:
Total removal: 4.54 percent
Total biodegradation: 0.11 percent
Total sludge adsorption: 4.42 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 0.883 54.2 1000
Water 18.5 360 1000
Soil 79.8 720 1000
Sediment 0.772 3.24e+003 0
Persistence Time: 661 hr