ChemSpider 2D Image | N-Methyloctadecanamide | C19H39NO

N-Methyloctadecanamide

  • Molecular FormulaC19H39NO
  • Average mass297.519 Da
  • Monoisotopic mass297.303162 Da
  • ChemSpider ID453361

More details:

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

N-Methyloctadecanamid [German] [ACD/IUPAC Name]
N-Methyloctadecanamide [ACD/IUPAC Name]
N-Méthyloctadécanamide [French] [ACD/IUPAC Name]
Octadecanamide, N-methyl- [ACD/Index Name]
20198-92-9 [RN]
methyl stearamide
methyloctadecanamide
MFCD11058183
N-methyloctadecylamide
n-methylstearamide
More...

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 0.9±0.1 g/cm3
    Boiling Point: 360.9±10.0 °C at 760 mmHg
    Vapour Pressure: 0.0±0.8 mmHg at 25°C
    Enthalpy of Vaporization: 60.7±3.0 kJ/mol
    Flash Point: 226.4±4.0 °C
    Index of Refraction: 1.451
    Molar Refractivity: 93.7±0.3 cm3
    #H bond acceptors: 2
    #H bond donors: 1
    #Freely Rotating Bonds: 16
    #Rule of 5 Violations: 1
    ACD/LogP: 7.45
    ACD/LogD (pH 5.5): 7.67
    ACD/BCF (pH 5.5): 396300.28
    ACD/KOC (pH 5.5): 353702.69
    ACD/LogD (pH 7.4): 7.67
    ACD/BCF (pH 7.4): 396300.72
    ACD/KOC (pH 7.4): 353703.06
    Polar Surface Area: 29 Å2
    Polarizability: 37.1±0.5 10-24cm3
    Surface Tension: 31.0±3.0 dyne/cm
    Molar Volume: 348.1±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) =  7.16

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  419.05  (Adapted Stein & Brown method)
    Melting Pt (deg C):  159.38  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.2E-007  (Modified Grain method)
    Subcooled liquid VP: 2.85E-006 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):  0.00972
       log Kow used: 7.16 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.024043 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.29E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.833E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.16  (KowWin est)
  Log Kaw used:  -4.029  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.189
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9245
   Biowin2 (Non-Linear Model)     :   0.9651
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7858  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8930  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7451
   Biowin6 (MITI Non-Linear Model):   0.8498
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2072
 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):  0.00038 Pa (2.85E-006 mm Hg)
  Log Koa (Koawin est  ): 11.189
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00789 
       Octanol/air (Koa) model:  0.0379 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.222 
       Mackay model           :  0.387 
       Octanol/air (Koa) model:  0.752 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  31.0853 E-12 cm3/molecule-sec
      Half-Life =     0.344 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.129 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.304 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.476E+005
      Log Koc:  5.169 

 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 = 3.089 (BCF = 1227)
       log Kow used: 7.16 (estimated)

 Volatilization from Water:
    Henry LC:  2.29E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      442.8  hours   (18.45 days)
    Half-Life from Model Lake :       4975  hours   (207.3 days)

 Removal In Wastewater Treatment:
    Total removal:              93.90  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.13  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.26            8.26         1000       
   Water     3.99            360          1000       
   Soil      29.9            720          1000       
   Sediment  65.8            3.24e+003    0          
     Persistence Time: 1.25e+003 hr

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