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CAS Number: 619-86-3
SMILES : O=C(O)c(ccc(OCC)c1)c1
CHEM : Benzoic acid, 4-ethoxy-
MOL FOR: C9 H10 O3
MOL WT : 166.18
------------------------------ 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) = 2.45
Log Kow (Exper. database match) = 2.39
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 298.57 (Adapted Stein & Brown method)
Melting Pt (deg C): 87.05 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.26E-005 (Modified Grain method)
VP (Pa, 25 deg C) : 0.00434 (Modified Grain method)
MP (exp database): 197-199 deg C
Subcooled liquid VP: 0.00211 mm Hg (25 deg C, Mod-Grain method)
: 0.281 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 583.1
log Kow used: 2.39 (expkow database)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 277.27 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 : 8.52E-009 atm-m3/mole (8.63E-004 Pa-m3/mole)
Group Method: 4.99E-008 atm-m3/mole (5.06E-003 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: 1.222E-008 atm-m3/mole (1.239E-003 Pa-m3/mole)
VP: 3.26E-005 mm Hg (source: MPBPVP)
WS: 583 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.39 (exp database)
Log Kaw used: -6.458 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 8.848
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9772
Biowin2 (Non-Linear Model) : 0.9951
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8617 (weeks )
Biowin4 (Primary Survey Model) : 3.6929 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8727
Biowin6 (MITI Non-Linear Model): 0.9187
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8444
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): 0.281 Pa (0.00211 mm Hg)
Log Koa (Koawin est ): 8.848
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.07E-005
Octanol/air (Koa) model: 0.000173
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000385
Mackay model : 0.000852
Octanol/air (Koa) model: 0.0136
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 14.6557 E-12 cm3/molecule-sec
Half-Life = 0.730 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 8.758 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.000619 (Junge-Pankow, Mackay avg)
0.0136 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 19.33 L/kg (MCI method)
Log Koc: 1.286 (MCI method)
Koc : 34.17 L/kg (Kow method)
Log Koc: 1.534 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
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) = -0.3910 days (HL = 0.4065 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.353 (BCF = 22.53)
Log BAF Arnot-Gobas method (upper trophic) = 1.353 (BAF = 22.53)
log Kow used: 2.39 (expkow database)
Volatilization from Water:
Henry LC: 4.99E-008 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 1.513E+004 hours (630.3 days)
Half-Life from Model Lake : 1.651E+005 hours (6880 days)
Removal In Wastewater Treatment:
Total removal: 2.82 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.72 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 0.637 17.5 1000
Water 30.1 360 1000
Soil 69.2 720 1000
Sediment 0.0796 3.24e+003 0
Persistence Time: 537 hr