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CAS Number: 56795-51-8
SMILES : CC(=O)Oc1c(cc2C=CC(=O)Oc2c1)OC
CHEM :
MOL FOR: C12 H10 O5
MOL WT : 234.21
------------------------------ EPI SUMMARY (v4.11) --------------------------
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) = 1.87
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 371.16 (Adapted Stein & Brown method)
Melting Pt (deg C): 118.43 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 4.9E-006 (Modified Grain method)
VP (Pa, 25 deg C) : 0.000653 (Modified Grain method)
Subcooled liquid VP: 4.13E-005 mm Hg (25 deg C, Mod-Grain method)
: 0.0055 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 729.7
log Kow used: 1.87 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 582.11 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.95E-009 atm-m3/mole (5.01E-004 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: 2.069E-009 atm-m3/mole (2.097E-004 Pa-m3/mole)
VP: 4.9E-006 mm Hg (source: MPBPVP)
WS: 730 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.87 (KowWin est)
Log Kaw used: -6.694 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.564
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.1163
Biowin2 (Non-Linear Model) : 1.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9039 (weeks )
Biowin4 (Primary Survey Model) : 4.0449 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.9277
Biowin6 (MITI Non-Linear Model): 0.9102
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8608
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): 0.00551 Pa (4.13E-005 mm Hg)
Log Koa (Koawin est ): 8.564
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000545
Octanol/air (Koa) model: 8.99E-005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0193
Mackay model : 0.0418
Octanol/air (Koa) model: 0.00714
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 23.0591 E-12 cm3/molecule-sec
Half-Life = 0.464 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.566 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 2.100000 E-17 cm3/molecule-sec
Half-Life = 0.546 Days (at 7E11 mol/cm3)
Half-Life = 13.097 Hrs
Fraction sorbed to airborne particulates (phi):
0.0305 (Junge-Pankow, Mackay avg)
0.00714 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 35.28 L/kg (MCI method)
Log Koc: 1.548 (MCI method)
Koc : 76.59 L/kg (Kow method)
Log Koc: 1.884 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 4.374E+000 L/mol-sec
Kb Half-Life at pH 8: 1.834 days
Kb Half-Life at pH 7: 18.339 days
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.901 (BCF = 7.964 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.8628 days (HL = 0.01372 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.446 (BCF = 2.795)
Log BAF Arnot-Gobas method (upper trophic) = 0.446 (BAF = 2.795)
log Kow used: 1.87 (estimated)
Volatilization from Water:
Henry LC: 4.95E-009 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.81E+005 hours (7542 days)
Half-Life from Model Lake : 1.975E+006 hours (8.228E+004 days)
Removal In Wastewater Treatment:
Total removal: 2.14 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 2.05 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 0.0848 6.02 1000
Water 24.7 360 1000
Soil 75.1 720 1000
Sediment 0.0814 3.24e+003 0
Persistence Time: 644 hr