ChemSpider 2D Image | Heptacosylic acid | C27H54O2

Heptacosylic acid

  • Molecular FormulaC27H54O2
  • Average mass410.716 Da
  • Monoisotopic mass410.412384 Da
  • ChemSpider ID21994

More details:






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

230-436-9 [EINECS]
7138-40-1 [RN]
Acide heptacosanoïque [French] [ACD/IUPAC Name]
Heptacosanoic acid [ACD/Index Name] [ACD/IUPAC Name]
Heptacosansäure [German] [ACD/IUPAC Name]
Heptacosylic acid [Wiki]
n-Heptacosanoic Acid
68439-87-2 [RN]
C27:0
Carboceric acid
More...

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

51570_FLUKA [DBID]
H6514_SIGMA [DBID]
LMFA01010027 [DBID]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 424.7±8.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 71.6±3.0 kJ/mol
Flash Point: 190.1±13.3 °C
Index of Refraction: 1.461
Molar Refractivity: 128.7±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 25
#Rule of 5 Violations: 1
ACD/LogP: 13.00
ACD/LogD (pH 5.5): 10.64
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 6337341.00
ACD/LogD (pH 7.4): 8.85
ACD/BCF (pH 7.4): 741828.69
ACD/KOC (pH 7.4): 101666.83
Polar Surface Area: 37 Å2
Polarizability: 51.0±0.5 10-24cm3
Surface Tension: 33.5±3.0 dyne/cm
Molar Volume: 468.8±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) =  12.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  486.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  192.61  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.05E-009  (Modified Grain method)
    Subcooled liquid VP: 6.02E-008 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):  1.8e-007
       log Kow used: 12.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.1073e-007 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Surfactants-anionic-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.53E-004  atm-m3/mole
   Group Method:   1.65E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.153E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  12.36  (KowWin est)
  Log Kaw used:  -1.574  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.934
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7331
   Biowin2 (Non-Linear Model)     :   0.4166
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9545  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9098  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9072
   Biowin6 (MITI Non-Linear Model):   0.9282
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.2753
 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):  8.03E-006 Pa (6.02E-008 mm Hg)
  Log Koa (Koawin est  ): 13.934
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.374 
       Octanol/air (Koa) model:  21.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.931 
       Mackay model           :  0.968 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  35.1978 E-12 cm3/molecule-sec
      Half-Life =     0.304 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.647 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.949 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.883E+006
      Log Koc:  6.460 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 12.36 (estimated)

 Volatilization from Water:
    Henry LC:  0.00165 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.787  hours
    Half-Life from Model Lake :      200.3  hours   (8.348 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  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       0.188           7.29         1000       
   Water     3.57            360          1000       
   Soil      31.1            720          1000       
   Sediment  65.1            3.24e+003    0          
     Persistence Time: 1.33e+003 hr




                    

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