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CAS Num: 000088-99-3
SMILES : O=C(O)c(c(ccc1)C(=O)O)c1
CHEM : 1,2-Benzenedicarboxylic acid
MOL FOR: C8 H6 O4
MOL WT : 166.13
------------------------------ 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) = 1.07
Log Kow (Exper. database match) = 0.73
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 351.37 (Adapted Stein & Brown method)
Melting Pt (deg C): 126.58 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 7.67E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 0.000102 (Modified Grain method)
MP (exp database): 230 dec deg C
VP (exp database): 6.36E-07 mm Hg (8.48E-005 Pa) at 25 deg C
Subcooled liquid VP: 6.78E-005 mm Hg (25 deg C, exp database VP )
: 0.00903 Pa (25 deg C, exp database VP )
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.526e+004
log Kow used: 0.73 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 6970 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & HE,Y (2003)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 29678 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics-acid
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.18E-012 atm-m3/mole (2.21E-007 Pa-m3/mole)
Group Method: 3.88E-013 atm-m3/mole (3.93E-008 Pa-m3/mole)
Exper Database: 2.00E-11 atm-m3/mole (2.03E-006 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: 1.099E-011 atm-m3/mole (1.113E-006 Pa-m3/mole)
VP: 7.67E-007 mm Hg (source: MPBPVP)
WS: 1.53E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.73 (exp database)
Log Kaw used: -9.087 (exp database)
Log Koa (KOAWIN v1.10 estimate): 9.817
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0222
Biowin2 (Non-Linear Model) : 0.9959
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0078 (weeks )
Biowin4 (Primary Survey Model) : 3.6235 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.0047
Biowin6 (MITI Non-Linear Model): 0.9569
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.9855
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): 0.00904 Pa (6.78E-005 mm Hg)
Log Koa (Koawin est ): 9.817
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000332
Octanol/air (Koa) model: 0.00161
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0118
Mackay model : 0.0259
Octanol/air (Koa) model: 0.114
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 1.2370 E-12 cm3/molecule-sec
Half-Life = 8.647 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 103.764 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.0189 (Junge-Pankow, Mackay avg)
0.114 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 80.85 L/kg (MCI method)
Log Koc: 1.908 (MCI method)
Koc : 3.627 L/kg (Kow method)
Log Koc: 0.560 (Kow method)
Experimental Log Koc: 1.07 (database)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.1009 days (HL = 0.07926 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.122 (BCF = 1.324)
Log BAF Arnot-Gobas method (upper trophic) = 0.122 (BAF = 1.324)
log Kow used: 0.73 (expkow database)
Volatilization from Water:
Henry LC: 2E-011 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 3.773E+007 hours (1.572E+006 days)
Half-Life from Model Lake : 4.116E+008 hours (1.715E+007 days)
Removal In Wastewater Treatment:
Total removal: 1.87 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.78 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 0.000413 208 1000
Water 20 360 1000
Soil 79.9 720 1000
Sediment 0.102 3.24e+003 0
Persistence Time: 738 hr