SMILES : O=C(OCCC)c(ccc(O)c1)c1
CHEM : Benzoic acid, 4-hydroxy-, propyl ester
CAS NUM: 000094-13-3
MOL FOR: C10 H12 O3
MOL WT : 180.21
------------------------------ EPI SUMMARY (v3.20) --------------------------
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) = 2.98
Log Kow (Exper. database match) = 3.04
Exper. Ref: Hansch,C et al. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 285.14 (Adapted Stein & Brown method)
Melting Pt (deg C): 71.81 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.000307 (Modified Grain method)
MP (exp database): 97 deg C
Subcooled liquid VP: 0.00153 mm Hg (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 529.3
log Kow used: 3.04 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 500 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 424.53 mg/L
Wat Sol (Exper. database match) = 500.00
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Esters
Phenols
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 6.37E-009 atm-m3/mole
Group Method: 4.25E-009 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 1.375E-007 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.04 (exp database)
Log Kaw used: -6.584 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 9.624
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9517
Biowin2 (Non-Linear Model) : 0.9957
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9975 (weeks )
Biowin4 (Primary Survey Model) : 3.8564 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7161
Biowin6 (MITI Non-Linear Model): 0.8344
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6793
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): 0.204 Pa (0.00153 mm Hg)
Log Koa (Koawin est ): 9.624
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.47E-005
Octanol/air (Koa) model: 0.00103
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.000531
Mackay model : 0.00118
Octanol/air (Koa) model: 0.0763
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 14.0678 E-12 cm3/molecule-sec
Half-Life = 0.760 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 9.124 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi): 0.000853 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 427.2
Log Koc: 2.631
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
Total Kb for pH > 8 at 25 deg C : 5.102E-003 L/mol-sec
Kb Half-Life at pH 8: 4.305 years
Kb Half-Life at pH 7: 43.052 years
Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
Log BCF from regression-based method = 1.641 (BCF = 43.73)
log Kow used: 3.04 (expkow database)
Volatilization from Water:
Henry LC: 4.25E-009 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 2.774E+005 hours (1.156E+004 days)
Half-Life from Model Lake : 2.018E+006 hours (8.407E+004 days)
Removal In Wastewater Treatment:
Total removal: 6.04 percent
Total biodegradation: 0.13 percent
Total sludge adsorption: 5.92 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 0.0708 18.2 1000
Water 17.2 360 1000
Soil 82.4 720 1000
Sediment 0.31 3.24e+003 0
Persistence Time: 751 hr