2-Methoxypropane C4H10O structure – Flashcards

Flashcard maker : Jacoby Flores

C4H10O structure
Molecular Formula C4H10O
Average mass 74.122 Da
Density 0.7±0.1 g/cm3
Boiling Point 50.6±0.0 °C at 760 mmHg
Flash Point -41.0±8.8 °C
Molar Refractivity 22.3±0.3 cm3
Polarizability 8.8±0.5 10-24cm3
Surface Tension 17.9±3.0 dyne/cm
Molar Volume 101.3±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      28 °C LabNetwork LN01297080
    • Experimental Solubility:

      -0.06 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
  • Gas Chromatography
    • Retention Index (Kovats):

      431 (estimated with error: 68) NIST Spectra mainlib_333, replib_61724, replib_19180

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

Density: 0.7±0.1 g/cm3
Boiling Point: 50.6±0.0 °C at 760 mmHg
Vapour Pressure: 298.6±0.1 mmHg at 25°C
Enthalpy of Vaporization: 26.0±0.0 kJ/mol
Flash Point: -41.0±8.8 °C
Index of Refraction: 1.359
Molar Refractivity: 22.3±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.80
ACD/LogD (pH 5.5): 0.98
ACD/BCF (pH 5.5): 3.25
ACD/KOC (pH 5.5): 80.96
ACD/LogD (pH 7.4): 0.98
ACD/BCF (pH 7.4): 3.25
ACD/KOC (pH 7.4): 80.96
Polar Surface Area: 9 Å2
Polarizability: 8.8±0.5 10-24cm3
Surface Tension: 17.9±3.0 dyne/cm
Molar Volume: 101.3±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) = 0.98

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 31.21 (Adapted Stein & Brown method)
 Melting Pt (deg C): -113.26 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 621 (Mean VP of Antoine & Grain methods)
 BP (exp database): 30.7 deg C
 VP (exp database): 6.05E+02 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1.964e+004
 log Kow used: 0.98 (estimated)
 no-melting pt equation used
 Water Sol (Exper. database match) = 6.5e+004 mg/L (25 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 79696 mg/L
 Wat Sol (Exper. database match) = 65000.00
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.52E-003 atm-m3/mole
 Group Method: 1.58E-003 atm-m3/mole
 Exper Database: 9.08E-04 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 3.084E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.98 (KowWin est)
 Log Kaw used: -1.430 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 2.410
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.3649
 Biowin2 (Non-Linear Model) : 0.1864
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0267 (weeks )
 Biowin4 (Primary Survey Model) : 3.7311 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4437
 Biowin6 (MITI Non-Linear Model): 0.5590
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.1743
 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): 8.07E+004 Pa (605 mm Hg)
 Log Koa (Koawin est ): 2.410
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 3.72E-011 
 Octanol/air (Koa) model: 6.31E-011 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.34E-009 
 Mackay model : 2.98E-009 
 Octanol/air (Koa) model: 5.05E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 12.9982 E-12 cm3/molecule-sec
 Half-Life = 0.823 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 9.875 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 2.16E-009 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 3.684
 Log Koc: 0.566 

 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 = 0.500 (BCF = 3.162)
 log Kow used: 0.98 (estimated)

 Volatilization from Water:
 Henry LC: 0.000908 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 1.434 hours
 Half-Life from Model Lake : 87.83 hours (3.66 days)

 Removal In Wastewater Treatment:
 Total removal: 28.98 percent
 Total biodegradation: 0.07 percent
 Total sludge adsorption: 1.37 percent
 Total to Air: 27.54 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 14 19.7 1000 
 Water 60.4 360 1000 
 Soil 25.5 720 1000 
 Sediment 0.12 3.24e+003 0 
 Persistence Time: 120 hr




 

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