This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Number: 23786-14-3
SMILES : c(cc(c1)CC(=O)OC)c(c1)OC
CHEM : BENZENEACETIC ACID, 4-METHOXY-, METHYL ESTER
MOL FOR: C10 H12 O3
MOL WT : 180.21
------------------------------ 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) = 2.16
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 252.81 (Adapted Stein & Brown method)
Melting Pt (deg C): 33.38 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0194 (Modified Grain method)
VP (Pa, 25 deg C) : 2.58 (Modified Grain method)
Subcooled liquid VP: 0.023 mm Hg (25 deg C, Mod-Grain method)
: 3.07 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 782.9
log Kow used: 2.16 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 474 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.37E-007 atm-m3/mole (8.48E-002 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: 5.876E-006 atm-m3/mole (5.954E-001 Pa-m3/mole)
VP: 0.0194 mm Hg (source: MPBPVP)
WS: 783 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.16 (KowWin est)
Log Kaw used: -4.466 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.626
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.0225
Biowin2 (Non-Linear Model) : 0.9994
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8082 (weeks )
Biowin4 (Primary Survey Model) : 3.8253 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6930
Biowin6 (MITI Non-Linear Model): 0.8156
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.5233
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): 3.07 Pa (0.023 mm Hg)
Log Koa (Koawin est ): 6.626
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.78E-007
Octanol/air (Koa) model: 1.04E-006
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.53E-005
Mackay model : 7.83E-005
Octanol/air (Koa) model: 8.3E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 23.5146 E-12 cm3/molecule-sec
Half-Life = 0.455 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.458 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
5.68E-005 (Junge-Pankow, Mackay avg)
8.3E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 76.88 L/kg (MCI method)
Log Koc: 1.886 (MCI method)
Koc : 128.9 L/kg (Kow method)
Log Koc: 2.110 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.145E-001 L/mol-sec
Kb Half-Life at pH 8: 37.401 days
Kb Half-Life at pH 7: 1.024 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 1.093 (BCF = 12.4 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.1951 days (HL = 0.06381 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.945 (BCF = 8.811)
Log BAF Arnot-Gobas method (upper trophic) = 0.945 (BAF = 8.811)
log Kow used: 2.16 (estimated)
Volatilization from Water:
Henry LC: 8.37E-007 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 940.4 hours (39.18 days)
Half-Life from Model Lake : 1.037E+004 hours (432.1 days)
Removal In Wastewater Treatment:
Total removal: 2.47 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.32 percent
Total to Air: 0.05 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.993 10.9 1000
Water 28.5 360 1000
Soil 70.4 720 1000
Sediment 0.141 3.24e+003 0
Persistence Time: 446 hr