cyclooctatriene C8H10 structure – Flashcards

Flashcard maker : Livia Baldwin

Molecular Formula C8H10
Average mass 106.165 Da
Density 0.9±0.1 g/cm3
Boiling Point 145.5±0.0 °C at 760 mmHg
Flash Point 27.8±13.0 °C
Molar Refractivity 35.7±0.3 cm3
Polarizability 14.2±0.5 10-24cm3
Surface Tension 34.2±3.0 dyne/cm
Molar Volume 121.8±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -83 °C Jean-Claude Bradley Open Melting Point Dataset 25743
  • Gas Chromatography
    • Retention Index (Kovats):

      906 (estimated with error: 39) NIST Spectra mainlib_61937, replib_211251
      905 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column type: Capillary; Start T: 70 C; CAS no: 1871529; Active phase: Squalane; Data type: Kovats RI; Authors: Schomburg, G., Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesattigte cyclische Kohlenwasserstoffe, J. Chromatogr., 23, 1966, 18-41.) NIST Spectra nist ri
    • Retention Index (Linear):

      890 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 250 C; CAS no: 1871529; Active phase: DB-5; Carrier gas: He; Data type: Linear RI; Authors: Gomez, E.; Ledbetter, C.A.; Hartsell, P.L., Volatile compounds in apricot, plum, and their interspecific hybrids, J. Agric. Food Chem., 41(10), 1993, 1669-1676.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 145.5±0.0 °C at 760 mmHg
Vapour Pressure: 6.1±0.1 mmHg at 25°C
Enthalpy of Vaporization: 36.7±0.8 kJ/mol
Flash Point: 27.8±13.0 °C
Index of Refraction: 1.498
Molar Refractivity: 35.7±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 3.10
ACD/LogD (pH 5.5): 3.16
ACD/BCF (pH 5.5): 148.57
ACD/KOC (pH 5.5): 1248.17
ACD/LogD (pH 7.4): 3.16
ACD/BCF (pH 7.4): 148.57
ACD/KOC (pH 7.4): 1248.17
Polar Surface Area: 0 Å2
Polarizability: 14.2±0.5 10-24cm3
Surface Tension: 34.2±3.0 dyne/cm
Molar Volume: 121.8±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) = 3.51

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 149.63 (Adapted Stein & Brown method)
 Melting Pt (deg C): -56.34 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 6.26 (Mean VP of Antoine & Grain methods)
 MP (exp database): -83 deg C
 BP (exp database): 145.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 32.52
 log Kow used: 3.51 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 266.64 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.07E-001 atm-m3/mole
 Group Method: 4.88E-003 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 2.689E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.51 (KowWin est)
 Log Kaw used: 0.641 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 2.869
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6970
 Biowin2 (Non-Linear Model) : 0.8177
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9646 (weeks )
 Biowin4 (Primary Survey Model) : 3.6946 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4729
 Biowin6 (MITI Non-Linear Model): 0.5262
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.1549
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 0.6275
 BioHC Half-Life (days) : 4.2410

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 768 Pa (5.76 mm Hg)
 Log Koa (Koawin est ): 2.869
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 3.91E-009 
 Octanol/air (Koa) model: 1.82E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.41E-007 
 Mackay model : 3.12E-007 
 Octanol/air (Koa) model: 1.45E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 170.9377 E-12 cm3/molecule-sec
 Half-Life = 0.063 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.751 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 6.402500 E-17 cm3/molecule-sec
 Half-Life = 0.179 Days (at 7E11 mol/cm3)
 Half-Life = 4.296 Hrs
 Fraction sorbed to airborne particulates (phi): 2.27E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 562.9
 Log Koc: 2.750 

 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 = 2.005 (BCF = 101.1)
 log Kow used: 3.51 (estimated)

 Volatilization from Water:
 Henry LC: 0.00488 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1.175 hours
 Half-Life from Model Lake : 99.22 hours (4.134 days)

 Removal In Wastewater Treatment:
 Total removal: 68.56 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 9.18 percent
 Total to Air: 59.29 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.35 1.11 1000 
 Water 22.8 360 1000 
 Soil 75.8 720 1000 
 Sediment 1.03 3.24e+003 0 
 Persistence Time: 277 hr




 

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