1,4-Di-tert-butylcyclohexane C14H28 structure – Flashcards

Flashcard maker : Jonathan Walsh

C14H28 structure
Molecular Formula C14H28
Average mass 196.372 Da
Density 0.8±0.1 g/cm3
Boiling Point 235.5±7.0 °C at 760 mmHg
Flash Point 91.4±11.7 °C
Molar Refractivity 64.1±0.3 cm3
Polarizability 25.4±0.5 10-24cm3
Surface Tension 28.0±3.0 dyne/cm
Molar Volume 238.9±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Gas Chromatography
    • Retention Index (Kovats):

      1269 (estimated with error: 39) NIST Spectra mainlib_215439

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

Density: 0.8±0.1 g/cm3
Boiling Point: 235.5±7.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 45.3±0.8 kJ/mol
Flash Point: 91.4±11.7 °C
Index of Refraction: 1.449
Molar Refractivity: 64.1±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: 6.83
ACD/LogD (pH 5.5): 6.41
ACD/BCF (pH 5.5): 43524.08
ACD/KOC (pH 5.5): 72775.50
ACD/LogD (pH 7.4): 6.41
ACD/BCF (pH 7.4): 43524.08
ACD/KOC (pH 7.4): 72775.50
Polar Surface Area: 0 Å2
Polarizability: 25.4±0.5 10-24cm3
Surface Tension: 28.0±3.0 dyne/cm
Molar Volume: 238.9±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) = 6.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 208.78 (Adapted Stein & Brown method)
 Melting Pt (deg C): -4.70 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.34 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 0.02347
 log Kow used: 6.74 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.037871 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.46E+000 atm-m3/mole
 Group Method: 6.43E+000 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 3.743E+000 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 6.74 (KowWin est)
 Log Kaw used: 2.002 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.738
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.2862
 Biowin2 (Non-Linear Model) : 0.0382
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.3410 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.2575 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3694
 Biowin6 (MITI Non-Linear Model): 0.1763
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.7110
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 1.6670
 BioHC Half-Life (days) : 46.4533

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 41.9 Pa (0.314 mm Hg)
 Log Koa (Koawin est ): 4.738
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 7.17E-008 
 Octanol/air (Koa) model: 1.34E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.59E-006 
 Mackay model : 5.73E-006 
 Octanol/air (Koa) model: 1.07E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 13.8760 E-12 cm3/molecule-sec
 Half-Life = 0.771 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 9.250 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 4.16E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 8426
 Log Koc: 3.926 

 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 = 4.486 (BCF = 3.063e+004)
 log Kow used: 6.74 (estimated)

 Volatilization from Water:
 Henry LC: 2.46 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.43 hours
 Half-Life from Model Lake : 133.1 hours (5.546 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 99.32 percent
 Total biodegradation: 0.24 percent
 Total sludge adsorption: 63.22 percent
 Total to Air: 35.85 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.408 18.5 1000 
 Water 2.53 900 1000 
 Soil 23.8 1.8e+003 1000 
 Sediment 73.3 8.1e+003 0 
 Persistence Time: 2.46e+003 hr




 

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