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CAS Num: 000533-18-6

SMILES : O=C(Oc(c(ccc1)C)c1)C

CHEM : Acetic acid, 2-methylphenyl ester

MOL FOR: C9 H10 O2

MOL WT : 150.18

------------------------------ 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) = 2.14

Log Kow (Exper. database match) = 1.93

Exper. Ref: HANSCH,C ET AL. (1995)

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

Boiling Pt (deg C): 215.56 (Adapted Stein & Brown method)

Melting Pt (deg C): 5.75 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.241 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 32.2 (Mean VP of Antoine & Grain methods)

BP (exp database): 208 deg C

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 1703

log Kow used: 1.93 (expkow database)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 862.32 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 7.15E-005 atm-m3/mole (7.25E+000 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: 2.796E-005 atm-m3/mole (2.833E+000 Pa-m3/mole)

VP: 0.241 mm Hg (source: MPBPVP)

WS: 1.7E+003 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 1.93 (exp database)

Log Kaw used: -2.534 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.464

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9049

Biowin2 (Non-Linear Model) : 0.9961

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9327 (weeks )

Biowin4 (Primary Survey Model) : 3.7915 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6838

Biowin6 (MITI Non-Linear Model): 0.8090

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.1749

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): 29.6 Pa (0.222 mm Hg)

Log Koa (Koawin est ): 4.464

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 1.01E-007

Octanol/air (Koa) model: 7.14E-009

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 3.66E-006

Mackay model : 8.11E-006

Octanol/air (Koa) model: 5.72E-007

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 3.9170 E-12 cm3/molecule-sec

Half-Life = 2.731 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 32.768 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

5.88E-006 (Junge-Pankow, Mackay avg)

5.72E-007 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 103 L/kg (MCI method)

Log Koc: 2.013 (MCI method)

Koc : 84.54 L/kg (Kow method)

Log Koc: 1.927 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 1.306E+000 L/mol-sec

Kb Half-Life at pH 8: 6.143 days

Kb Half-Life at pH 7: 61.430 days

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 0.940 (BCF = 8.718 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.1157 days (HL = 0.0766 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.817 (BCF = 6.568)

Log BAF Arnot-Gobas method (upper trophic) = 0.817 (BAF = 6.568)

log Kow used: 1.93 (expkow database)

Volatilization from Water:

Henry LC: 7.15E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 11.29 hours

Half-Life from Model Lake : 225.9 hours (9.411 days)

Removal In Wastewater Treatment:

Total removal: 5.74 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 2.03 percent

Total to Air: 3.61 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 4.96 65.5 1000

Water 25.6 360 1000

Soil 69.3 720 1000

Sediment 0.153 3.24e+003 0

Persistence Time: 410 hr

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