Ethyl (4-methylphenyl)acetate C11H14O2 structure

C11H14O2 structure
Molecular Formula C11H14O2
Average mass 178.228 Da
Density 1.0±0.1 g/cm3
Boiling Point 240.1±0.0 °C at 760 mmHg
Flash Point 109.4±0.0 °C
Molar Refractivity 51.7±0.3 cm3
Polarizability 20.5±0.5 10-24cm3
Surface Tension 35.0±3.0 dyne/cm
Molar Volume 175.0±3.0 cm3

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Density: 1.0±0.1 g/cm3
Boiling Point: 240.1±0.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.4 mmHg at 25°C
Enthalpy of Vaporization: 47.7±3.0 kJ/mol
Flash Point: 109.4±0.0 °C
Index of Refraction: 1.502
Molar Refractivity: 51.7±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 2.96
ACD/LogD (pH 5.5): 2.80
ACD/BCF (pH 5.5): 78.52
ACD/KOC (pH 5.5): 790.73
ACD/LogD (pH 7.4): 2.80
ACD/BCF (pH 7.4): 78.52
ACD/KOC (pH 7.4): 790.73
Polar Surface Area: 26 Å2
Polarizability: 20.5±0.5 10-24cm3
Surface Tension: 35.0±3.0 dyne/cm
Molar Volume: 175.0±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 3.12

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 252.14 (Adapted Stein & Brown method)
 Melting Pt (deg C): 27.70 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0226 (Modified Grain method)
 Subcooled liquid VP: 0.0238 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): 121.8
 log Kow used: 3.12 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 86.3 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.07E-005 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.351E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.12 (KowWin est)
 Log Kaw used: -3.072 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 6.192
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9462
 Biowin2 (Non-Linear Model) : 0.9967
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7958 (weeks )
 Biowin4 (Primary Survey Model) : 3.6825 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5941
 Biowin6 (MITI Non-Linear Model): 0.7188
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.0791
 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): 3.17 Pa (0.0238 mm Hg)
 Log Koa (Koawin est ): 6.192
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 9.45E-007 
 Octanol/air (Koa) model: 3.82E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.41E-005 
 Mackay model : 7.56E-005 
 Octanol/air (Koa) model: 3.06E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 7.3370 E-12 cm3/molecule-sec
 Half-Life = 1.458 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 17.494 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 5.49E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 418.4
 Log Koc: 2.622 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 2.026E-001 L/mol-sec
 Kb Half-Life at pH 8: 39.599 days 
 Kb Half-Life at pH 7: 1.084 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.702 (BCF = 50.33)
 log Kow used: 3.12 (estimated)

 Volatilization from Water:
 Henry LC: 2.07E-005 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 39.12 hours (1.63 days)
 Half-Life from Model Lake : 538.7 hours (22.45 days)

 Removal In Wastewater Treatment:
 Total removal: 7.88 percent
 Total biodegradation: 0.13 percent
 Total sludge adsorption: 6.67 percent
 Total to Air: 1.07 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.55 35 1000 
 Water 23.9 360 1000 
 Soil 73.1 720 1000 
 Sediment 0.501 3.24e+003 0 
 Persistence Time: 462 hr




 

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