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CAS Num: 036438-54-7

SMILES : Cc1ccccc1OC(=O)C(C)C

CHEM : Propanoic acid, 2-methyl-, 2-methylphenyl ester

MOL FOR: C11 H14 O2

MOL WT : 178.23

------------------------------ 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) = 3.05

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

Boiling Pt (deg C): 241.50 (Adapted Stein & Brown method)

Melting Pt (deg C): 17.09 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.0428 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 5.7 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 140.7

log Kow used: 3.05 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 144.63 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 1.26E-004 atm-m3/mole (1.28E+001 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: 7.134E-005 atm-m3/mole (7.228E+000 Pa-m3/mole)

VP: 0.0428 mm Hg (source: MPBPVP)

WS: 141 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.05 (KowWin est)

Log Kaw used: -2.288 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.338

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8915

Biowin2 (Non-Linear Model) : 0.9941

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8707 (weeks )

Biowin4 (Primary Survey Model) : 3.7510 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5501

Biowin6 (MITI Non-Linear Model): 0.6349

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.0706

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): 5.48 Pa (0.0411 mm Hg)

Log Koa (Koawin est ): 5.338

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

Mackay model : 5.47E-007

Octanol/air (Koa) model: 5.35E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.98E-005

Mackay model : 4.38E-005

Octanol/air (Koa) model: 4.28E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 4.8108 E-12 cm3/molecule-sec

Half-Life = 2.223 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 26.680 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

3.18E-005 (Junge-Pankow, Mackay avg)

4.28E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 307.3 L/kg (MCI method)

Log Koc: 2.487 (MCI method)

Koc : 352 L/kg (Kow method)

Log Koc: 2.547 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 4.724E-001 L/mol-sec

Kb Half-Life at pH 8: 16.982 days

Kb Half-Life at pH 7: 169.817 days

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.677 (BCF = 47.49 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.7909 days (HL = 0.1619 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.626 (BCF = 42.24)

Log BAF Arnot-Gobas method (upper trophic) = 1.626 (BAF = 42.24)

log Kow used: 3.05 (estimated)

Volatilization from Water:

Henry LC: 0.000126 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 7.566 hours

Half-Life from Model Lake : 194.5 hours (8.103 days)

Removal In Wastewater Treatment:

Total removal: 11.63 percent

Total biodegradation: 0.12 percent

Total sludge adsorption: 5.81 percent

Total to Air: 5.70 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 4.38 53.4 1000

Water 21.8 360 1000

Soil 73.6 720 1000

Sediment 0.289 3.24e+003 0

Persistence Time: 425 hr

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