2-Hydroxy-1,2-bis(4-methoxyphenyl)ethanone C16H16O4 structure

C16H16O4 structure
Molecular Formula C16H16O4
Average mass 272.296 Da
Density 1.2±0.1 g/cm3
Boiling Point 459.4±40.0 °C at 760 mmHg
Flash Point 171.0±20.8 °C
Molar Refractivity 75.7±0.3 cm3
Polarizability 30.0±0.5 10-24cm3
Surface Tension 45.9±3.0 dyne/cm
Molar Volume 227.9±3.0 cm3

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

Density: 1.2±0.1 g/cm3
Boiling Point: 459.4±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.8±3.0 kJ/mol
Flash Point: 171.0±20.8 °C
Index of Refraction: 1.578
Molar Refractivity: 75.7±0.3 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.12
ACD/LogD (pH 5.5): 2.33
ACD/BCF (pH 5.5): 34.71
ACD/KOC (pH 5.5): 440.81
ACD/LogD (pH 7.4): 2.33
ACD/BCF (pH 7.4): 34.71
ACD/KOC (pH 7.4): 440.81
Polar Surface Area: 56 Å2
Polarizability: 30.0±0.5 10-24cm3
Surface Tension: 45.9±3.0 dyne/cm
Molar Volume: 227.9±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) = 2.00

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 396.54 (Adapted Stein & Brown method)
 Melting Pt (deg C): 142.16 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 1.53E-008 (Modified Grain method)
 Subcooled liquid VP: 2.34E-007 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): 1113
 log Kow used: 2.00 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1110.2 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.32E-010 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.925E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.00 (KowWin est)
 Log Kaw used: -7.753 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 9.753
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0473
 Biowin2 (Non-Linear Model) : 0.9867
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6187 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.7163 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6282
 Biowin6 (MITI Non-Linear Model): 0.6011
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.0435
 Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 3.12E-005 Pa (2.34E-007 mm Hg)
 Log Koa (Koawin est ): 9.753
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.0962 
 Octanol/air (Koa) model: 0.00139 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.776 
 Mackay model : 0.885 
 Octanol/air (Koa) model: 0.1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 52.3719 E-12 cm3/molecule-sec
 Half-Life = 0.204 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.451 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.831 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 50.36
 Log Koc: 1.702 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = -0.646 (BCF = 0.2258)
 log Kow used: 2.00 (estimated)

 Volatilization from Water:
 Henry LC: 4.32E-010 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 2.236E+006 hours (9.318E+004 days)
 Half-Life from Model Lake : 2.44E+007 hours (1.017E+006 days)

 Removal In Wastewater Treatment:
 Total removal: 2.25 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.15 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 0.0192 4.9 1000 
 Water 23.6 900 1000 
 Soil 76.3 1.8e+003 1000 
 Sediment 0.0909 8.1e+003 0 
 Persistence Time: 1.35e+003 hr




 

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