ChemSpider 2D Image | Retinal 2 | C20H26O

Retinal 2

  • Molecular FormulaC20H26O
  • Average mass282.420 Da
  • Monoisotopic mass282.198364 Da
  • ChemSpider ID4444397
  • Double-bond stereo - Double-bond stereo


More details:



Featured data source



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

(all-E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenal
207-457-7 [EINECS]
3,4-Didehydroretinal [ACD/IUPAC Name]
3,4-Didehydroretinal [German] [ACD/IUPAC Name]
3,4-Didéhydrorétinal [French] [ACD/IUPAC Name]
3,7-Dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenal
3-Dehydroretinal
472-87-7 [RN]
Retinal 2
Retinal, 3,4-didehydro- [ACD/Index Name]
More...

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

C05918 [DBID]

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

Density: 1.0±0.1 g/cm3
Boiling Point: 425.9±14.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 68.1±3.0 kJ/mol
Flash Point: 212.5±12.4 °C
Index of Refraction: 1.553
Molar Refractivity: 93.8±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 1
ACD/LogP: 6.00
ACD/LogD (pH 5.5): 5.04
ACD/BCF (pH 5.5): 3960.72
ACD/KOC (pH 5.5): 13088.21
ACD/LogD (pH 7.4): 5.04
ACD/BCF (pH 7.4): 3960.72
ACD/KOC (pH 7.4): 13088.21
Polar Surface Area: 17 Å2
Polarizability: 37.2±0.5 10-24cm3
Surface Tension: 35.9±3.0 dyne/cm
Molar Volume: 293.1±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) =  7.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  371.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  98.54  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.26E-005  (Modified Grain method)
    MP  (exp database):  77.5 deg C
    Subcooled liquid VP: 3.97E-005 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):  0.007654
       log Kow used: 7.39 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.82537 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.43E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.118E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.39  (KowWin est)
  Log Kaw used:  -1.463  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.853
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7138
   Biowin2 (Non-Linear Model)     :   0.9885
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3852  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4835  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4222
   Biowin6 (MITI Non-Linear Model):   0.1275
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4816
 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):  0.00529 Pa (3.97E-005 mm Hg)
  Log Koa (Koawin est  ): 8.853
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000567 
       Octanol/air (Koa) model:  0.000175 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0201 
       Mackay model           :  0.0434 
       Octanol/air (Koa) model:  0.0138 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 431.9544 E-12 cm3/molecule-sec
      Half-Life =     0.025 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    17.829 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    69.287399 E-17 cm3/molecule-sec
      Half-Life =     0.017 Days (at 7E11 mol/cm3)
      Half-Life =     23.817 Min
   Fraction sorbed to airborne particulates (phi): 0.0317 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.298E+004
      Log Koc:  4.361 

 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 = 4.282 (BCF = 1.915e+004)
       log Kow used: 7.39 (estimated)

 Volatilization from Water:
    Henry LC:  0.000843 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      2.882  hours
    Half-Life from Model Lake :      172.4  hours   (7.182 days)

 Removal In Wastewater Treatment:
    Total removal:              93.96  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.16  percent
    Total to Air:                0.03  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.00386         0.238        1000       
   Water     2               900          1000       
   Soil      28.7            1.8e+003     1000       
   Sediment  69.3            8.1e+003     0          
     Persistence Time: 3.01e+003 hr




                    

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