ChemSpider 2D Image | 1708198 | C18H36O

1708198

  • Molecular FormulaC18H36O
  • Average mass268.478 Da
  • Monoisotopic mass268.276611 Da
  • ChemSpider ID73853

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

1708198
2-Octadecanon [German] [ACD/IUPAC Name]
2-Octadecanone [ACD/IUPAC Name] [ACD/Index Name]
2-Octadécanone [French] [ACD/IUPAC Name]
7373-13-9 [RN]
Hexadecyl methyl ketone
Methyl n-hexadecyl ketone
MFCD00216735
Octadecan-2-one
ketone, hexadecanyl methyl
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

74733_FLUKA [DBID]
NSC101084 [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      1946 (estimated with error: 57) NIST Spectra mainlib_163288
    • Retention Index (Lee):

      333.26 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 7373139; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1971 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 7373139; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2(1), 2003, 33-49.) NIST Spectra nist ri
      1992 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 54 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 240 C; End time: 0 min; Start time: 0 min; CAS no: 7373139; Active phase: OV-101; Carrier gas: Helium; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Ventura, K., Gas Chromatographic Identification of Volatile Products of Thermal Degradation of Bitumen, Zh. Prikl. Khim. (Rus.), , 1991, 1974-1979, In original 1974-1979.) NIST Spectra nist ri
      1985.5 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 45 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 250 C; CAS no: 7373139; Active phase: SE-30; Carrier gas: He; Data type: Normal alkane RI; Authors: Raymer, J.; Wiesler, D.; Novotny, M., Structure-retention studies of model ketones by capillary gas chromatography, J. Chromatogr., 325, 1985, 13-22.) NIST Spectra nist ri
    • Retention Index (Linear):

      2004 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 7373139; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri
      2402 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 65 C; End T: 250 C; End time: 60 min; Start time: 10 min; CAS no: 7373139; Active phase: AT-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Pino, J.A.; Marbot, R.; Vazquez, C., Characterization of volatiles in strawberry guava (Psidium cattleianum Sabine) fruit, J. Agric. Food Chem., 49, 2001, 5883-5887.) 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: 332.1±5.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 55.2±3.0 kJ/mol
Flash Point: 77.6±13.2 °C
Index of Refraction: 1.442
Molar Refractivity: 85.5±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 15
#Rule of 5 Violations: 1
ACD/LogP: 7.81
ACD/LogD (pH 5.5): 7.72
ACD/BCF (pH 5.5): 436232.06
ACD/KOC (pH 5.5): 378862.97
ACD/LogD (pH 7.4): 7.72
ACD/BCF (pH 7.4): 436232.06
ACD/KOC (pH 7.4): 378862.97
Polar Surface Area: 17 Å2
Polarizability: 33.9±0.5 10-24cm3
Surface Tension: 29.7±3.0 dyne/cm
Molar Volume: 322.8±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) =  7.13

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  333.40  (Adapted Stein & Brown method)
    Melting Pt (deg C):  75.20  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000217  (Modified Grain method)
    Subcooled liquid VP: 0.00065 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.01514
       log Kow used: 7.13 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.010889 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.47E-003  atm-m3/mole
   Group Method:   7.05E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.063E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.13  (KowWin est)
  Log Kaw used:  -0.848  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.978
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7350
   Biowin2 (Non-Linear Model)     :   0.6426
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8817  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7072  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7732
   Biowin6 (MITI Non-Linear Model):   0.8899
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3572
 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):  0.0867 Pa (0.00065 mm Hg)
  Log Koa (Koawin est  ): 7.978
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.46E-005 
       Octanol/air (Koa) model:  2.33E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00125 
       Mackay model           :  0.00276 
       Octanol/air (Koa) model:  0.00186 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  23.7167 E-12 cm3/molecule-sec
      Half-Life =     0.451 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.412 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00201 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.017E+004
      Log Koc:  4.305 

 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 = 3.130 (BCF = 1348)
       log Kow used: 7.13 (estimated)

 Volatilization from Water:
    Henry LC:  0.00705 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.808  hours
    Half-Life from Model Lake :      157.1  hours   (6.547 days)

 Removal In Wastewater Treatment:
    Total removal:              93.95  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.79  percent
    Total to Air:                0.39  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.395           10.8         1000       
   Water     4.04            360          1000       
   Soil      29.4            720          1000       
   Sediment  66.2            3.24e+003    0          
     Persistence Time: 1.18e+003 hr




                    

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