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Search term: MF = 'C_{20}H_{28}O_{3}'

ChemSpider 2D Image | 18-Hydroxyretinoic acid | C20H28O3

18-Hydroxyretinoic acid

  • Molecular FormulaC20H28O3
  • Average mass316.435 Da
  • Monoisotopic mass316.203857 Da
  • ChemSpider ID5005673
  • Double-bond stereo - Double-bond stereo


More details:






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

18-Hydroxyretinoic acid [ACD/IUPAC Name]
18-Hydroxyrétinoïque acide [French] [ACD/IUPAC Name]
2,4,6,8-Nonatetraenoic acid, 3,7-dimethyl-9-(6,6-dimethyl-2-(hydroxymethyl)-1-cyclohexen-1-yl)-, (E)-
all-trans-18-Hydroxyretinoic acid
all-trans-9-(2-(Hydroxymethyl)-6,6-dimethyl-1-cyclohexen-1-yl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acid
Retinoic acid, 18-hydroxy- [ACD/Index Name]
(2E,4E)-9-[2-(hydroxymethyl)-6,6-dimethylcyclohex-1-en-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid
(2E,4E,6E,8E)-9-[2-(hydroxymethyl)-6,6-dimethylcyclohex-1-en-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid
18-Hydroxy-all-trans-retinoate
18-Hydroxy-all-trans-retinoic acid
More...

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

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

Density: 1.1±0.1 g/cm3
Boiling Point: 514.3±23.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.0 mmHg at 25°C
Enthalpy of Vaporization: 90.5±6.0 kJ/mol
Flash Point: 278.9±19.1 °C
Index of Refraction: 1.570
Molar Refractivity: 97.0±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 1
ACD/LogP: 5.75
ACD/LogD (pH 5.5): 4.27
ACD/BCF (pH 5.5): 647.19
ACD/KOC (pH 5.5): 2066.32
ACD/LogD (pH 7.4): 2.47
ACD/BCF (pH 7.4): 10.29
ACD/KOC (pH 7.4): 32.85
Polar Surface Area: 58 Å2
Polarizability: 38.5±0.5 10-24cm3
Surface Tension: 43.7±3.0 dyne/cm
Molar Volume: 295.7±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) =  6.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  455.24  (Adapted Stein & Brown method)
    Melting Pt (deg C):  176.18  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.14E-010  (Modified Grain method)
    Subcooled liquid VP: 4.24E-009 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):  0.2768
       log Kow used: 6.39 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5.9898 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Alcohols-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.47E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.715E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.39  (KowWin est)
  Log Kaw used:  -7.848  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.238
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6444
   Biowin2 (Non-Linear Model)     :   0.1904
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8123  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7528  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3280
   Biowin6 (MITI Non-Linear Model):   0.0639
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2721
 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):  5.65E-007 Pa (4.24E-009 mm Hg)
  Log Koa (Koawin est  ): 14.238
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.31 
       Octanol/air (Koa) model:  42.5 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.995 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 392.6382 E-12 cm3/molecule-sec
      Half-Life =     0.027 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    19.614 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    40.625000 E-17 cm3/molecule-sec
      Half-Life =     0.028 Days (at 7E11 mol/cm3)
      Half-Life =     40.621 Min
   Fraction sorbed to airborne particulates (phi): 0.996 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1183
      Log Koc:  3.073 

 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 = 1.750 (BCF = 56.23)
       log Kow used: 6.39 (estimated)

 Volatilization from Water:
    Henry LC:  3.47E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.001E+006  hours   (1.251E+005 days)
    Half-Life from Model Lake : 3.274E+007  hours   (1.364E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              93.26  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.49  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       0.0142          0.333        1000       
   Water     5.49            360          1000       
   Soil      32.4            720          1000       
   Sediment  62.1            3.24e+003    0          
     Persistence Time: 1.09e+003 hr




                    

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