butanal C4H7O structure

Flashcard maker : Lily Taylor

C4H7O structure
Molecular Formula C4H7O
Average mass Da
Boiling Point 77.6±3.0 °C at 760 mmHg
Flash Point -7.2±6.0 °C
Molar Refractivity
Surface Tension
Molar Volume
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon

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

Boiling Point: 77.6±3.0 °C at 760 mmHg
Vapour Pressure: 96.0±0.1 mmHg at 25°C
Enthalpy of Vaporization: 31.9±3.0 kJ/mol
Flash Point: -7.2±6.0 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.91
ACD/LogD (pH 5.5): 0.84
ACD/BCF (pH 5.5): 2.58
ACD/KOC (pH 5.5): 68.52
ACD/LogD (pH 7.4): 0.84
ACD/BCF (pH 7.4): 2.58
ACD/KOC (pH 7.4): 68.52
Polar Surface Area: 17 Å2
Surface Tension:
Molar Volume:

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

 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 0.82
 Log Kow (Exper. database match) = 0.88
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 84.82 (Adapted Stein & Brown method)
 Melting Pt (deg C): -80.23 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 108 (Mean VP of Antoine & Grain methods)
 MP (exp database): -99 deg C
 BP (exp database): 74.8 deg C
 VP (exp database): 1.11E+02 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 2.385e+004
 log Kow used: 0.88 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 7.1e+004 mg/L (25 deg C)
 Exper. Ref: UNION CARBIDE (1974)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 65793 mg/L
 Wat Sol (Exper. database match) = 71000.00
 Exper. Ref: UNION CARBIDE (1974)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.20E-004 atm-m3/mole
 Group Method: 1.20E-004 atm-m3/mole
 Exper Database: 1.15E-04 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 4.297E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.88 (exp database)
 Log Kaw used: -2.328 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 3.208
 Log Koa (experimental database): 3.390

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9978
 Biowin2 (Non-Linear Model) : 0.9999
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0621 (weeks )
 Biowin4 (Primary Survey Model) : 3.9403 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 1.0083
 Biowin6 (MITI Non-Linear Model): 0.9831
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.9311
 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): 1.48E+004 Pa (111 mm Hg)
 Log Koa (Exp database): 3.390
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.03E-010 
 Octanol/air (Koa) model: 6.03E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 7.32E-009 
 Mackay model : 1.62E-008 
 Octanol/air (Koa) model: 4.82E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 25.4314 E-12 cm3/molecule-sec
 Half-Life = 0.421 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 5.047 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.18E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 5.096
 Log Koc: 0.707 

 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: 0.88 (expkow database)

 Volatilization from Water:
 Henry LC: 0.000115 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 5.19 hours
 Half-Life from Model Lake : 127.8 hours (5.326 days)

 Removal In Wastewater Treatment:
 Total removal: 7.31 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.70 percent
 Total to Air: 5.52 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.4 10.9 1000 
 Water 48.1 360 1000 
 Soil 48.5 720 1000 
 Sediment 0.0942 3.24e+003 0 
 Persistence Time: 229 hr


Click to predict properties on the Chemicalize site

Get instant access to
all materials

Become a Member