ChemSpider 2D Image | heneicosapentaenoic acid | C21H32O2

heneicosapentaenoic acid

  • Molecular FormulaC21H32O2
  • Average mass316.478 Da
  • Monoisotopic mass316.240234 Da
  • ChemSpider ID10171040
  • Double-bond stereo - Double-bond stereo


More details:






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

(6Z,9Z,12Z,15Z,18Z)-6,9,12,15,18-Henicosapentaenoic acid [ACD/IUPAC Name]
(6Z,9Z,12Z,15Z,18Z)-6,9,12,15,18-Henicosapentaensäure [German] [ACD/IUPAC Name]
24257-10-1 [RN]
6,9,12,15,18-Heneicosapentaenoic acid, (6Z,9Z,12Z,15Z,18Z)- [ACD/Index Name]
Acide (6Z,9Z,12Z,15Z,18Z)-6,9,12,15,18-hénicosapentaénoïque [French] [ACD/IUPAC Name]
heneicosapentaenoic acid
(6Z,9Z,12Z,15Z,18Z)-henicosa-6,9,12,15,18-pentaenoic acid
(9,12,15)-linolenic acid
(9Z,12Z,15Z)-9,12,15-Octadecatrienoic acid [ACD/IUPAC Name]
(9Z,12Z,15Z)-Octadeca-9,12,15-trienoic acid
More...

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

HR3EZB17BI [DBID]
62160_FLUKA [DBID]
62170_FLUKA [DBID]
BSPBio_001376 [DBID]
C06427 [DBID]
CHEBI:27432 [DBID]
CMC_7371 [DBID]
IDI1_033846 [DBID]
L2376_SIGMA [DBID]
LMFA01030152 [DBID]
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: 428.0±14.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.2 mmHg at 25°C
Enthalpy of Vaporization: 74.9±6.0 kJ/mol
Flash Point: 324.7±15.2 °C
Index of Refraction: 1.511
Molar Refractivity: 101.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 14
#Rule of 5 Violations: 1
ACD/LogP: 6.80
ACD/LogD (pH 5.5): 5.24
ACD/BCF (pH 5.5): 3561.72
ACD/KOC (pH 5.5): 7058.28
ACD/LogD (pH 7.4): 3.44
ACD/BCF (pH 7.4): 56.75
ACD/KOC (pH 7.4): 112.45
Polar Surface Area: 37 Å2
Polarizability: 40.1±0.5 10-24cm3
Surface Tension: 35.6±3.0 dyne/cm
Molar Volume: 337.9±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) =  8.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  434.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  156.27  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.33E-008  (Modified Grain method)
    Subcooled liquid VP: 1.17E-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):  0.001831
       log Kow used: 8.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.013486 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 :   6.28E-005  atm-m3/mole
   Group Method:   2.62E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.212E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.34  (KowWin est)
  Log Kaw used:  -2.590  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.930
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7780
   Biowin2 (Non-Linear Model)     :   0.7313
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1627  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0458  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4588
   Biowin6 (MITI Non-Linear Model):   0.2131
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1242
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.000156 Pa (1.17E-006 mm Hg)
  Log Koa (Koawin est  ): 10.930
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0192 
       Octanol/air (Koa) model:  0.0209 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.41 
       Mackay model           :  0.606 
       Octanol/air (Koa) model:  0.626 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 292.1938 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 330.1938 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =   26.356 Min (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =   23.323 Min (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    65.000000 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =   100.000000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =    25.388 Min (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =    16.502 Min (at 7E11 mol/cm3) [Trans-isomer]
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.508 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7.323E+004
      Log Koc:  4.865 

 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 = 1.000 (BCF = 10)
       log Kow used: 8.34 (estimated)

 Volatilization from Water:
    Henry LC:  2.62E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       3977  hours   (165.7 days)
    Half-Life from Model Lake : 4.354E+004  hours   (1814 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  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       0.011           0.286        1000       
   Water     3.76            360          1000       
   Soil      28.1            720          1000       
   Sediment  68.1            3.24e+003    0          
     Persistence Time: 1.24e+003 hr




                    

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