4-Ethyl-4-methyl-2-hexyne C9H16 structure – Flashcards

Flashcard maker : Julia Rush

Molecular Formula C9H16
Average mass 124.223 Da
Density 0.8±0.1 g/cm3
Boiling Point 132.8±8.0 °C at 760 mmHg
Flash Point 23.0±12.6 °C
Molar Refractivity 41.7±0.3 cm3
Polarizability 16.5±0.5 10-24cm3
Surface Tension 26.3±3.0 dyne/cm
Molar Volume 160.4±3.0 cm3
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon

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

Density: 0.8±0.1 g/cm3
Boiling Point: 132.8±8.0 °C at 760 mmHg
Vapour Pressure: 10.7±0.1 mmHg at 25°C
Enthalpy of Vaporization: 35.5±0.8 kJ/mol
Flash Point: 23.0±12.6 °C
Index of Refraction: 1.433
Molar Refractivity: 41.7±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 3.75
ACD/LogD (pH 5.5): 3.41
ACD/BCF (pH 5.5): 228.89
ACD/KOC (pH 5.5): 1700.72
ACD/LogD (pH 7.4): 3.41
ACD/BCF (pH 7.4): 228.89
ACD/KOC (pH 7.4): 1700.72
Polar Surface Area: 0 Å2
Polarizability: 16.5±0.5 10-24cm3
Surface Tension: 26.3±3.0 dyne/cm
Molar Volume: 160.4±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) = 3.93

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 136.51 (Adapted Stein & Brown method)
 Melting Pt (deg C): -3.70 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 9.27 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 12.26
 log Kow used: 3.93 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 69.359 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.43E-002 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.236E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.93 (KowWin est)
 Log Kaw used: 0.258 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.672
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5045
 Biowin2 (Non-Linear Model) : 0.3826
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7125 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.5151 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5107
 Biowin6 (MITI Non-Linear Model): 0.5683
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.2355
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 0.9096
 BioHC Half-Life (days) : 8.1200

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 1.14E+003 Pa (8.58 mm Hg)
 Log Koa (Koawin est ): 3.672
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.62E-009 
 Octanol/air (Koa) model: 1.15E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 9.47E-008 
 Mackay model : 2.1E-007 
 Octanol/air (Koa) model: 9.23E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 29.9355 E-12 cm3/molecule-sec
 Half-Life = 0.357 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 4.288 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 0.003000 E-17 cm3/molecule-sec
 Half-Life = 382.000 Days (at 7E11 mol/cm3)
 Fraction sorbed to airborne particulates (phi): 1.52E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 703.3
 Log Koc: 2.847 

 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 = 2.330 (BCF = 213.7)
 log Kow used: 3.93 (estimated)

 Volatilization from Water:
 Henry LC: 0.0443 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.152 hours
 Half-Life from Model Lake : 106 hours (4.418 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 95.18 percent
 Total biodegradation: 0.07 percent
 Total sludge adsorption: 16.01 percent
 Total to Air: 79.10 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.79 8.57 1000 
 Water 33.3 900 1000 
 Soil 56.2 1.8e+003 1000 
 Sediment 6.68 8.1e+003 0 
 Persistence Time: 235 hr




 

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