Ethyl 5-methylhex-2-enoate C9H16O2 structure – Flashcards

Flashcard maker : Charlotte Small

Molecular Formula C9H16O2
Average mass 156.222 Da
Density 0.9±0.1 g/cm3
Boiling Point 188.8±9.0 °C at 760 mmHg
Flash Point 73.4±5.9 °C
Molar Refractivity 45.5±0.3 cm3
Polarizability 18.1±0.5 10-24cm3
Surface Tension 27.4±3.0 dyne/cm
Molar Volume 174.6±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      90 °C / 22 mmHg (211.5329 °C / 760 mmHg)
      LabNetwork LN01291437

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

Density: 0.9±0.1 g/cm3
Boiling Point: 188.8±9.0 °C at 760 mmHg
Vapour Pressure: 0.6±0.4 mmHg at 25°C
Enthalpy of Vaporization: 42.5±3.0 kJ/mol
Flash Point: 73.4±5.9 °C
Index of Refraction: 1.435
Molar Refractivity: 45.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 3.26
ACD/LogD (pH 5.5): 2.65
ACD/BCF (pH 5.5): 61.27
ACD/KOC (pH 5.5): 662.08
ACD/LogD (pH 7.4): 2.65
ACD/BCF (pH 7.4): 61.27
ACD/KOC (pH 7.4): 662.08
Polar Surface Area: 26 Å2
Polarizability: 18.1±0.5 10-24cm3
Surface Tension: 27.4±3.0 dyne/cm
Molar Volume: 174.6±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) = 3.03

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 184.80 (Adapted Stein & Brown method)
 Melting Pt (deg C): -32.74 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.764 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 183.6
 log Kow used: 3.03 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 528.62 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.50E-004 atm-m3/mole
 Group Method: 2.50E-004 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 8.554E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.03 (KowWin est)
 Log Kaw used: -1.735 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.765
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8474
 Biowin2 (Non-Linear Model) : 0.9924
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9941 (weeks )
 Biowin4 (Primary Survey Model) : 3.8513 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6529
 Biowin6 (MITI Non-Linear Model): 0.7919
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.5083
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 92.7 Pa (0.695 mm Hg)
 Log Koa (Koawin est ): 4.765
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 3.24E-008 
 Octanol/air (Koa) model: 1.43E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.17E-006 
 Mackay model : 2.59E-006 
 Octanol/air (Koa) model: 1.14E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 25.2713 E-12 cm3/molecule-sec [Cis-isomer]
 OVERALL OH Rate Constant = 27.9313 E-12 cm3/molecule-sec [Trans-isomer]
 Half-Life = 5.079 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
 Half-Life = 4.595 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 0.568750 E-17 cm3/molecule-sec [Cis-]
 OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec [Trans-]
 Half-Life = 2.015 Days (at 7E11 mol/cm3) [Cis-isomer]
 Half-Life = 1.007 Days (at 7E11 mol/cm3) [Trans-isomer]
 Fraction sorbed to airborne particulates (phi): 1.88E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 114.9
 Log Koc: 2.060 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 8.835E-003 L/mol-sec
 Kb Half-Life at pH 8: 2.486 years 
 Kb Half-Life at pH 7: 24.859 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.634 (BCF = 43.06)
 log Kow used: 3.03 (estimated)

 Volatilization from Water:
 Henry LC: 0.00025 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 4.203 hours
 Half-Life from Model Lake : 150.7 hours (6.277 days)

 Removal In Wastewater Treatment:
 Total removal: 15.70 percent
 Total biodegradation: 0.12 percent
 Total sludge adsorption: 5.49 percent
 Total to Air: 10.10 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.27 8.39 1000 
 Water 20.6 360 1000 
 Soil 77.8 720 1000 
 Sediment 0.364 3.24e+003 0 
 Persistence Time: 396 hr




 

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