tert-Butylcyclopentane C9H18 structure – Flashcards

Flashcard maker : Malcolm Bright

Molecular Formula C9H18
Average mass 126.239 Da
Density 0.8±0.1 g/cm3
Boiling Point 142.9±7.0 °C at 760 mmHg
Flash Point 27.6±11.7 °C
Molar Refractivity 41.3±0.3 cm3
Polarizability 16.4±0.5 10-24cm3
Surface Tension 27.6±3.0 dyne/cm
Molar Volume 155.0±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -96 °C Jean-Claude Bradley Open Melting Point Dataset 13602
  • Gas Chromatography
    • Retention Index (Kovats):

      874 (estimated with error: 39) NIST Spectra mainlib_151335
      877.5 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Start T: 50 C; CAS no: 3875523; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 43, 1988, 127-135.) NIST Spectra nist ri
      881.3 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Start T: 70 C; CAS no: 3875523; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C1-C9 of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 43, 1988, 127-135.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      912.6 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.15 mm; Column length: 50 m; Column type: Capillary; Description: 30C(5min)=>2C/min =>80C=>5C/min=>120C=> 10C/min =>190C; CAS no: 3875523; Active phase: BP-1; Carrier gas: H2; Data type: Normal alkane RI; Authors: SGE, Analysis of gasoline range hydrocarbons. PET 01 – Petroleum, 2004.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 142.9±7.0 °C at 760 mmHg
Vapour Pressure: 6.9±0.1 mmHg at 25°C
Enthalpy of Vaporization: 36.4±0.8 kJ/mol
Flash Point: 27.6±11.7 °C
Index of Refraction: 1.445
Molar Refractivity: 41.3±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 4.54
ACD/LogD (pH 5.5): 4.57
ACD/BCF (pH 5.5): 1748.93
ACD/KOC (pH 5.5): 7290.77
ACD/LogD (pH 7.4): 4.57
ACD/BCF (pH 7.4): 1748.93
ACD/KOC (pH 7.4): 7290.77
Polar Surface Area: 0 Å2
Polarizability: 16.4±0.5 10-24cm3
Surface Tension: 27.6±3.0 dyne/cm
Molar Volume: 155.0±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) = 4.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 128.06 (Adapted Stein & Brown method)
 Melting Pt (deg C): -53.77 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 13.3 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 4.252
 log Kow used: 4.46 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2.8583 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 5.97E-001 atm-m3/mole
 Group Method: 7.92E-001 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 5.196E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.46 (KowWin est)
 Log Kaw used: 1.388 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.072
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5035
 Biowin2 (Non-Linear Model) : 0.3759
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7081 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.5122 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4968
 Biowin6 (MITI Non-Linear Model): 0.5387
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.1775
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 1.2559
 BioHC Half-Life (days) : 18.0271

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 1.65E+003 Pa (12.4 mm Hg)
 Log Koa (Koawin est ): 3.072
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.81E-009 
 Octanol/air (Koa) model: 2.9E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.55E-008 
 Mackay model : 1.45E-007 
 Octanol/air (Koa) model: 2.32E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 6.4297 E-12 cm3/molecule-sec
 Half-Life = 1.664 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 19.962 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.05E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 640.2
 Log Koc: 2.806 

 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 = 2.738 (BCF = 546.4)
 log Kow used: 4.46 (estimated)

 Volatilization from Water:
 Henry LC: 0.597 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.148 hours
 Half-Life from Model Lake : 106.7 hours (4.447 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 99.67 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 32.17 percent
 Total to Air: 67.40 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 15.4 39.9 1000 
 Water 38.9 900 1000 
 Soil 19 1.8e+003 1000 
 Sediment 26.6 8.1e+003 0 
 Persistence Time: 199 hr




 

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