ChemSpider 2D Image | Vitamin A | C20H30O

Vitamin A

  • Molecular FormulaC20H30O
  • Average mass286.452 Da
  • Monoisotopic mass286.229675 Da
  • ChemSpider ID393012

  • Double-bond stereo - Double-bond stereo

More details:

Featured data source
The Merck Index Online

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

(2E,4E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol
(2E,4E,6E,8E)-3,7-Diméthyl-9-(2,6,6-triméthyl-1-cyclohexén-1-yl)-2,4,6,8-nonatétraén-1-ol
(2E,4E,6E,8E)-3,7-diméthyl-9-(2,6,6-triméthylcyclohex-1-én-1-yl)nona-2,4,6,8-tétraén-1-ol
(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraen-1-ol
11103-57-4 [RN]
200-683-7 [EINECS]
203-777-6 [EINECS]
3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol
3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexenyl)-2,4,6,8-nonatetraen-1-ol
403040 [Beilstein]
More...

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

2243 [DBID]
G2SH0XKK91 [DBID]
VH6750000 [DBID]
95144_FLUKA [DBID]
95146_FLUKA [DBID]
AIDS008876 [DBID]
AIDS-008876 [DBID]
BRN 0403040 [DBID]
C00473 [DBID]
CCRIS 5444 [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography

    • Retention Index (Kovats):

      2238 (estimated with error: 41) NIST Spectra mainlib_238604, replib_68282, replib_51833
      2453 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Start T: 240 C; CAS no: 68268; Active phase: DB-1; Carrier gas: H2, He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Furr, H.C.; Clifford, A.J.; Jones, A.D., Analysis of apocarotenoids and retinoids by capillary gas chromatography - mass spectrometry, Methods Enzymol., 213, 1992, 281-290., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Start T: 240 C; CAS no: 68268; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Furr, H.C.; Zeng, S.; Clifford, A.J.; Olson, J.A., Capillary gas chromatography of retinoids (vitamin A compounds) and apo-retinoids: determination of Kovats retention indices, J. Chromatogr., 527, 1990, 406-413.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 421.2±14.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.3 mmHg at 25°C
Enthalpy of Vaporization: 78.0±6.0 kJ/mol
Flash Point: 147.3±16.4 °C
Index of Refraction: 1.549
Molar Refractivity: 95.5±0.3 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 1
ACD/LogP: 6.84
ACD/LogD (pH 5.5): 6.01
ACD/BCF (pH 5.5): 21677.04
ACD/KOC (pH 5.5): 44187.02
ACD/LogD (pH 7.4): 6.01
ACD/BCF (pH 7.4): 21677.04
ACD/KOC (pH 7.4): 44187.02
Polar Surface Area: 20 Å2
Polarizability: 37.9±0.5 10-24cm3
Surface Tension: 36.6±3.0 dyne/cm
Molar Volume: 300.0±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) =  7.62
    Log Kow (Exper. database match) =  5.68
       Exper. Ref:  BioByte (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  384.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  111.23  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.31E-007  (Modified Grain method)
    MP  (exp database):  63.5 deg C
    Subcooled liquid VP: 5.29E-007 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):  0.6713
       log Kow used: 5.68 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.88771 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.16E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.297E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.68  (exp database)
  Log Kaw used:  -2.324  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.004
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5860
   Biowin2 (Non-Linear Model)     :   0.1592
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5140  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4105  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2365
   Biowin6 (MITI Non-Linear Model):   0.0505
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5384
 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):  7.05E-005 Pa (5.29E-007 mm Hg)
  Log Koa (Koawin est  ): 8.004
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0425 
       Octanol/air (Koa) model:  2.48E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.606 
       Mackay model           :  0.773 
       Octanol/air (Koa) model:  0.00198 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 400.4015 E-12 cm3/molecule-sec
      Half-Life =     0.027 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    19.233 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    53.137497 E-17 cm3/molecule-sec
      Half-Life =     0.022 Days (at 7E11 mol/cm3)
      Half-Life =     31.056 Min
   Fraction sorbed to airborne particulates (phi): 0.689 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.102E+004
      Log Koc:  4.042 

 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 = 3.674 (BCF = 4716)
       log Kow used: 5.68 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000116 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      10.27  hours
    Half-Life from Model Lake :        254  hours   (10.58 days)

 Removal In Wastewater Treatment:
    Total removal:              90.22  percent
    Total biodegradation:        0.75  percent
    Total sludge adsorption:    89.23  percent
    Total to Air:                0.24  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.00868         0.286        1000       
   Water     5.4             900          1000       
   Soil      46.6            1.8e+003     1000       
   Sediment  47.9            8.1e+003     0          
     Persistence Time: 1.86e+003 hr

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