3,7-Dimethyloctyl acetate C12H24O2 structure – Flashcards

Flashcard maker : Sara Graham

Molecular Formula C12H24O2
Average mass 200.318 Da
Density 0.9±0.1 g/cm3
Boiling Point 222.0±8.0 °C at 760 mmHg
Flash Point 91.8±5.4 °C
Molar Refractivity 59.3±0.3 cm3
Polarizability 23.5±0.5 10-24cm3
Surface Tension 27.6±3.0 dyne/cm
Molar Volume 230.9±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      0.3 °C / 60 mmHg (68.1399 °C / 760 mmHg)
      FooDB FDB014086
  • Gas Chromatography
    • Retention Index (Kovats):

      1253 (estimated with error: 47) NIST Spectra mainlib_285559
      1313.7 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.35 mm; Column length: 40 m; Column type: Capillary; Start T: 100 C; CAS no: 20780498; Active phase: SE-30; Phase thickness: 0.35 um; Data type: Kovats RI; Authors: Tudor, E., Temperature dependence of the retention index for perfumery compounds on a SE-30 glass capillary column. I. Linear equations, J. Chromatogr. A, 779, 1997, 287-297.) NIST Spectra nist ri
      1260 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 2.5 m; Column type: Packed; Start T: 150 C; CAS no: 20780498; Active phase: Apiezon L; Carrier gas: N2; Substrate: Embacel; Data type: Kovats RI; Authors: ter Heide, R., Studies on terpenes. II. Characterization of monoterpene esters by gas and thin-layer chromatography, Z. Anal. Chem., 236, 1968, 215-227.) NIST Spectra nist ri
      1582 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column length: 2.5 m; Column type: Packed; Start T: 150 C; CAS no: 20780498; Active phase: Carbowax 20M; Carrier gas: N2; Substrate: Embacel; Data type: Kovats RI; Authors: ter Heide, R., Studies on terpenes. II. Characterization of monoterpene esters by gas and thin-layer chromatography, Z. Anal. Chem., 236, 1968, 215-227.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1308 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 20780498; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Analytical Parameters of Components of essential Oils for their Gas Chromatographic and Chromato-Mass-Spectral Identification. Acetates of Terpene Alcohols, Rastitelnye Resursy (Plant Resources), 35(1), 1999, 30-37, In original 30-37., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 20780498; 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
      1582 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 20780498; 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: 0.9±0.1 g/cm3
Boiling Point: 222.0±8.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.8±3.0 kJ/mol
Flash Point: 91.8±5.4 °C
Index of Refraction: 1.428
Molar Refractivity: 59.3±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 8
#Rule of 5 Violations: 0
ACD/LogP: 4.59
ACD/LogD (pH 5.5): 4.55
ACD/BCF (pH 5.5): 1679.97
ACD/KOC (pH 5.5): 7083.85
ACD/LogD (pH 7.4): 4.55
ACD/BCF (pH 7.4): 1679.97
ACD/KOC (pH 7.4): 7083.85
Polar Surface Area: 26 Å2
Polarizability: 23.5±0.5 10-24cm3
Surface Tension: 27.6±3.0 dyne/cm
Molar Volume: 230.9±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) = 4.65

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 225.84 (Adapted Stein & Brown method)
 Melting Pt (deg C): -8.81 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.097 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 4.696
 log Kow used: 4.65 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 12.574 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.25E-003 atm-m3/mole
 Group Method: 3.62E-003 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 5.444E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.65 (KowWin est)
 Log Kaw used: -1.036 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.686
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8264
 Biowin2 (Non-Linear Model) : 0.9858
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8967 (weeks )
 Biowin4 (Primary Survey Model) : 3.7877 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6073
 Biowin6 (MITI Non-Linear Model): 0.7711
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4879
 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): 12.1 Pa (0.091 mm Hg)
 Log Koa (Koawin est ): 5.686
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.47E-007 
 Octanol/air (Koa) model: 1.19E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 8.93E-006 
 Mackay model : 1.98E-005 
 Octanol/air (Koa) model: 9.53E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 13.3555 E-12 cm3/molecule-sec
 Half-Life = 0.801 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 9.610 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.44E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 604.3
 Log Koc: 2.781 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 1.025E-001 L/mol-sec
 Kb Half-Life at pH 8: 78.232 days 
 Kb Half-Life at pH 7: 2.142 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 2.877 (BCF = 754.1)
 log Kow used: 4.65 (estimated)

 Volatilization from Water:
 Henry LC: 0.00362 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1.673 hours
 Half-Life from Model Lake : 136.9 hours (5.705 days)

 Removal In Wastewater Treatment:
 Total removal: 79.00 percent
 Total biodegradation: 0.38 percent
 Total sludge adsorption: 52.50 percent
 Total to Air: 26.11 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.39 19.2 1000 
 Water 14.2 360 1000 
 Soil 75.8 720 1000 
 Sediment 7.57 3.24e+003 0 
 Persistence Time: 441 hr




 

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