Benzo[a]perylene C24H14 structure

C24H14 structure
Molecular Formula C24H14
Average mass 302.368 Da
Density 1.3±0.1 g/cm3
Boiling Point 552.3±17.0 °C at 760 mmHg
Flash Point 282.0±15.1 °C
Molar Refractivity 108.1±0.3 cm3
Polarizability 42.9±0.5 10-24cm3
Surface Tension 66.5±3.0 dyne/cm
Molar Volume 230.2±3.0 cm3
  • Gas Chromatography
    • Retention Index (Lee):

      542.8 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 191855; Active phase: 5 % Phenyl methyl siloxane; Data type: Lee RI; Authors: Allen J.O.; Durant J.L.; Dookeran N.M.; Taghizadeh K.; Plummer E.F.; Lafleur A.L.; Sarofim A.F.; Smith K.A., Measurement of C24H14 polycyclic aromatic hydrocarbons associated with a size-segregated urban aerosol, Environ. Sci. Technol., 32, 1998, 1928-1932.) NIST Spectra nist ri
      537.04 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.28 mm; Column length: 15 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 350 C; Start time: 2 min; CAS no: 191855; Active phase: XTI-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Engkvist, O.; Borowski, P.; Bemgard, A.; Karlstrom, G.; Lindh, R.; Colmsjo, A., On the relation between retention indexes and the interaction between the solute and the column in gas-liquid chromatography, J. Chem. Inf. Comput. Sci., 36, 1996, 1153-1161.) NIST Spectra nist ri

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

Density: 1.3±0.1 g/cm3
Boiling Point: 552.3±17.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 80.2±0.8 kJ/mol
Flash Point: 282.0±15.1 °C
Index of Refraction: 1.913
Molar Refractivity: 108.1±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 1
ACD/LogP: 7.63
ACD/LogD (pH 5.5): 7.51
ACD/BCF (pH 5.5): 303154.94
ACD/KOC (pH 5.5): 291977.38
ACD/LogD (pH 7.4): 7.51
ACD/BCF (pH 7.4): 303154.94
ACD/KOC (pH 7.4): 291977.38
Polar Surface Area: 0 Å2
Polarizability: 42.9±0.5 10-24cm3
Surface Tension: 66.5±3.0 dyne/cm
Molar Volume: 230.2±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) = 7.28

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 513.65 (Adapted Stein & Brown method)
 Melting Pt (deg C): 215.68 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 1.15E-010 (Modified Grain method)
 Subcooled liquid VP: 1.24E-008 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): 0.0005544
 log Kow used: 7.28 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 4.2475e-005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 7.91E-008 atm-m3/mole
 Group Method: 1.41E-008 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 8.253E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 7.28 (KowWin est)
 Log Kaw used: -5.490 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 12.770
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : -0.0537
 Biowin2 (Non-Linear Model) : 0.0000
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 1.7316 (recalcitrant)
 Biowin4 (Primary Survey Model) : 2.7092 (weeks-months)
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.0724
 Biowin6 (MITI Non-Linear Model): 0.0108
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.4999
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 2.7975
 BioHC Half-Life (days) : 627.2661

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 1.65E-006 Pa (1.24E-008 mm Hg)
 Log Koa (Koawin est ): 12.770
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.81 
 Octanol/air (Koa) model: 1.45 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.985 
 Mackay model : 0.993 
 Octanol/air (Koa) model: 0.991 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 50.0000 E-12 cm3/molecule-sec
 Half-Life = 0.214 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 2.567 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.989 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 9.104E+006
 Log Koc: 6.959 

 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 = 4.420 (BCF = 2.628e+004)
 log Kow used: 7.28 (estimated)

 Volatilization from Water:
 Henry LC: 1.41E-008 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 7.221E+004 hours (3009 days)
 Half-Life from Model Lake : 7.879E+005 hours (3.283E+004 days)

 Removal In Wastewater Treatment:
 Total removal: 93.94 percent
 Total biodegradation: 0.78 percent
 Total sludge adsorption: 93.16 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 0.0168 5.13 1000 
 Water 0.762 4.32e+003 1000 
 Soil 42.8 8.64e+003 1000 
 Sediment 56.4 3.89e+004 0 
 Persistence Time: 1.13e+004 hr




 

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