Cyclohexyl formate C7H12O2 structure – Flashcards

Flashcard maker : Roman Peck

C7H12O2 structure
Molecular Formula C7H12O2
Average mass 128.169 Da
Density 1.0±0.1 g/cm3
Boiling Point 166.4±7.0 °C at 760 mmHg
Flash Point 53.3±15.6 °C
Molar Refractivity 34.5±0.4 cm3
Polarizability 13.7±0.5 10-24cm3
Surface Tension 31.6±5.0 dyne/cm
Molar Volume 129.9±5.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      162-163 °C Food and Agriculture Organization of the United Nations Cyclohexyl formate
      162-163 °C FooDB FDB003416
    • Experimental Refraction Index:

      1.439-1.445 Food and Agriculture Organization of the United Nations Cyclohexyl formate
      24 FooDB FDB003416
  • Miscellaneous
    • Appearance:

      Light colourless liquid; pleasant cherry-like odour Food and Agriculture Organization of the United Nations Cyclohexyl formate
  • Gas Chromatography
    • Retention Index (Kovats):

      1045 (estimated with error: 89) NIST Spectra mainlib_2733, replib_152554, replib_285139
    • Retention Index (Normal Alkane):

      951 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 4351546; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      1304 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 30 0C (5 min) ^ 5 0C/min -> 100 0C (5 min) ^ 1 0C/min -> 130 0C ^ 10 0C/min -> 195 0C (45 min); CAS no: 4351546; Active phase: HP-Innowax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Narain, N.; Galvao, M. deS.; Ferreira, D.DaS.; Navarro, D.M.A.F., Flavor biogeneration in Mangaba (Hancornia speciosa Gomes) fruit, BioEng. Campinas, 1(1), 2007, 25-31.) NIST Spectra nist ri
      1305 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 4351546; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 166.4±7.0 °C at 760 mmHg
Vapour Pressure: 1.8±0.3 mmHg at 25°C
Enthalpy of Vaporization: 40.3±3.0 kJ/mol
Flash Point: 53.3±15.6 °C
Index of Refraction: 1.444
Molar Refractivity: 34.5±0.4 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.83
ACD/LogD (pH 5.5): 1.91
ACD/BCF (pH 5.5): 16.80
ACD/KOC (pH 5.5): 262.22
ACD/LogD (pH 7.4): 1.91
ACD/BCF (pH 7.4): 16.80
ACD/KOC (pH 7.4): 262.22
Polar Surface Area: 26 Å2
Polarizability: 13.7±0.5 10-24cm3
Surface Tension: 31.6±5.0 dyne/cm
Molar Volume: 129.9±5.0 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) = 2.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 160.14 (Adapted Stein & Brown method)
 Melting Pt (deg C): -29.29 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 2.18 (Mean VP of Antoine & Grain methods)
 BP (exp database): 163 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1518
 log Kow used: 2.10 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 5624.2 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.36E-004 atm-m3/mole
 Group Method: 2.08E-004 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 2.422E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.10 (KowWin est)
 Log Kaw used: -1.749 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.849
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8607
 Biowin2 (Non-Linear Model) : 0.9949
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0561 (weeks )
 Biowin4 (Primary Survey Model) : 3.8918 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.7856
 Biowin6 (MITI Non-Linear Model): 0.9109
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4473
 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): 264 Pa (1.98 mm Hg)
 Log Koa (Koawin est ): 3.849
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.14E-008 
 Octanol/air (Koa) model: 1.73E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.1E-007 
 Mackay model : 9.09E-007 
 Octanol/air (Koa) model: 1.39E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 11.7613 E-12 cm3/molecule-sec
 Half-Life = 0.909 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 10.913 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 6.6E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 46.89
 Log Koc: 1.671 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 3.697E+000 L/mol-sec
 Kb Half-Life at pH 8: 2.170 days 
 Kb Half-Life at pH 7: 21.696 days 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.913 (BCF = 8.193)
 log Kow used: 2.10 (estimated)

 Volatilization from Water:
 Henry LC: 0.000208 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 4.342 hours
 Half-Life from Model Lake : 142.3 hours (5.929 days)

 Removal In Wastewater Treatment:
 Total removal: 11.24 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.09 percent
 Total to Air: 9.06 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 4.38 21.8 1000 
 Water 30.2 360 1000 
 Soil 65.3 720 1000 
 Sediment 0.12 3.24e+003 0 
 Persistence Time: 299 hr




 

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