3-Methoxyfuran C5H6O2 structure – Flashcards

Flashcard maker : Lewis Edwards

C5H6O2 structure
Molecular Formula C5H6O2
Average mass 98.100 Da
Density 1.0±0.1 g/cm3
Boiling Point 102.3±13.0 °C at 760 mmHg
Flash Point 15.4±8.8 °C
Molar Refractivity 25.2±0.3 cm3
Polarizability 10.0±0.5 10-24cm3
Surface Tension 26.3±3.0 dyne/cm
Molar Volume 96.2±3.0 cm3
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon

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

Density: 1.0±0.1 g/cm3
Boiling Point: 102.3±13.0 °C at 760 mmHg
Vapour Pressure: 39.2±0.2 mmHg at 25°C
Enthalpy of Vaporization: 32.7±3.0 kJ/mol
Flash Point: 15.4±8.8 °C
Index of Refraction: 1.437
Molar Refractivity: 25.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.29
ACD/LogD (pH 5.5): 1.22
ACD/BCF (pH 5.5): 4.94
ACD/KOC (pH 5.5): 109.13
ACD/LogD (pH 7.4): 1.22
ACD/BCF (pH 7.4): 4.94
ACD/KOC (pH 7.4): 109.13
Polar Surface Area: 22 Å2
Polarizability: 10.0±0.5 10-24cm3
Surface Tension: 26.3±3.0 dyne/cm
Molar Volume: 96.2±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) = 1.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 109.42 (Adapted Stein & Brown method)
 Melting Pt (deg C): -49.42 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 24.9 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 6929
 log Kow used: 1.44 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 8646.1 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.18E-004 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.639E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.44 (KowWin est)
 Log Kaw used: -1.886 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.326
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8328
 Biowin2 (Non-Linear Model) : 0.9794
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9243 (weeks )
 Biowin4 (Primary Survey Model) : 3.7833 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6406
 Biowin6 (MITI Non-Linear Model): 0.8016
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.6482
 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): 3.13E+003 Pa (23.5 mm Hg)
 Log Koa (Koawin est ): 3.326
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 9.57E-010 
 Octanol/air (Koa) model: 5.2E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.46E-008 
 Mackay model : 7.66E-008 
 Octanol/air (Koa) model: 4.16E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 200.8296 E-12 cm3/molecule-sec
 Half-Life = 0.053 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.639 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Reaction With Nitrate Radicals May Be Important!
 Fraction sorbed to airborne particulates (phi): 5.56E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 63.86
 Log Koc: 1.805 

 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 = 0.412 (BCF = 2.58)
 log Kow used: 1.44 (estimated)

 Volatilization from Water:
 Henry LC: 0.000318 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 2.834 hours
 Half-Life from Model Lake : 114 hours (4.749 days)

 Removal In Wastewater Treatment:
 Total removal: 14.53 percent
 Total biodegradation: 0.08 percent
 Total sludge adsorption: 1.66 percent
 Total to Air: 12.78 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.682 1.28 1000 
 Water 48.7 360 1000 
 Soil 50.5 720 1000 
 Sediment 0.112 3.24e+003 0 
 Persistence Time: 176 hr




 

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