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CAS Number: 34531-26-5
SMILES : O=C(OCC(CCCC)CC)c(cc(O)c(O)c1O)c1
CHEM : Benzoic acid, 3,4,5-trihydroxy-, 2-ethylhexyl ester
MOL FOR: C15 H22 O5
MOL WT : 282.34
------------------------------ EPI SUMMARY (v4.00) --------------------------
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 v1.67 estimate) = 4.17
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 414.61 (Adapted Stein & Brown method)
Melting Pt (deg C): 172.71 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 5.02E-009 (Modified Grain method)
VP (Pa, 25 deg C) : 6.69E-007 (Modified Grain method)
Subcooled liquid VP: 1.7E-007 mm Hg (25 deg C, Mod-Grain method)
: 2.26E-005 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 16.11
log Kow used: 4.17 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 8.3137 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Phenols, Poly
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.84E-016 atm-m3/mole (2.88E-011 Pa-m3/mole)
Group Method: 4.35E-016 atm-m3/mole (4.41E-011 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: 1.158E-010 atm-m3/mole (1.173E-005 Pa-m3/mole)
VP: 5.02E-009 mm Hg (source: MPBPVP)
WS: 16.1 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 4.17 (KowWin est)
Log Kaw used: -13.935 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 18.105
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.2432
Biowin2 (Non-Linear Model) : 0.9995
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.1829 (weeks )
Biowin4 (Primary Survey Model) : 4.0575 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6223
Biowin6 (MITI Non-Linear Model): 0.6487
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.5465
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): 2.27E-005 Pa (1.7E-007 mm Hg)
Log Koa (Koawin est ): 18.105
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.132
Octanol/air (Koa) model: 3.13E+005
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.827
Mackay model : 0.914
Octanol/air (Koa) model: 1
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 99.9564 E-12 cm3/molecule-sec
Half-Life = 0.107 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.284 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
0.87 (Junge-Pankow, Mackay avg)
1 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 9119 L/kg (MCI method)
Log Koc: 3.960 (MCI method)
Koc : 4641 L/kg (Kow method)
Log Koc: 3.667 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 1.152E-002 L/mol-sec
Kb Half-Life at pH 8: 1.906 years
Kb Half-Life at pH 7: 19.063 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 2.421 (BCF = 263.4 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.5981 days (HL = 0.002523 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.099 (BCF = 12.55)
Log BAF Arnot-Gobas method (upper trophic) = 1.099 (BAF = 12.55)
log Kow used: 4.17 (estimated)
Volatilization from Water:
Henry LC: 4.35E-016 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 2.262E+012 hours (9.423E+010 days)
Half-Life from Model Lake : 2.467E+013 hours (1.028E+012 days)
Removal In Wastewater Treatment:
Total removal: 38.38 percent
Total biodegradation: 0.39 percent
Total sludge adsorption: 37.99 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 5.25e-008 2.57 1000
Water 15.1 360 1000
Soil 80.8 720 1000
Sediment 4.12 3.24e+003 0
Persistence Time: 814 hr