ChemSpider 2D Image | [(2S,4a'R,5R,8a'R)-2',5,5',5',8a'-Pentamethyl-4,4a',5,5',6',7',8',8a'-octahydro-3H,4'H-spiro[furan-2,1'-naphthalen]-5-yl]acetic acid | C20H32O3

[(2S,4a'R,5R,8a'R)-2',5,5',5',8a'-Pentamethyl-4,4a',5,5',6',7',8',8a'-octahydro-3H,4'H-spiro[furan-2,1'-naphthalen]-5-yl]acetic acid

  • Molecular FormulaC20H32O3
  • Average mass320.466 Da
  • Monoisotopic mass320.235138 Da
  • ChemSpider ID1396298

  • defined stereocentres - 4 of 4 defined stereocentres

More details:

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

[(2S,4a'R,5R,8a'R)-2',5,5',5',8a'-Pentamethyl-4,4a',5,5',6',7',8',8a'-octahydro-3H,4'H-spiro[furan-2,1'-naphthalen]-5-yl]acetic acid [ACD/IUPAC Name]
[(2S,4a'R,5R,8a'R)-2',5,5',5',8a'-Pentamethyl-4,4a',5,5',6',7',8',8a'-octahydro-3H,4'H-spiro[furan-2,1'-naphthalen]-5-yl]essigsäure [German] [ACD/IUPAC Name]
Acide [(2S,4a'R,5R,8a'R)-2',5,5',5',8a'-pentaméthyl-4,4a',5,5',6',7',8',8a'-octahydro-3H,4'H-spiro[furan-2,1'-naphthalen]-5-yl]acétique [French] [ACD/IUPAC Name]
Spiro[furan-2(3H),1'(4'H)-naphthalene]-5-acetic acid, 4,4'a,5,5',6',7',8',8'a-octahydro-2',5,5',5',8'a-pentamethyl-, (2S,4'aR,5R,8'aR)- [ACD/Index Name]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 434.7±28.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.2 mmHg at 25°C
Enthalpy of Vaporization: 75.8±6.0 kJ/mol
Flash Point: 145.8±17.5 °C
Index of Refraction: 1.529
Molar Refractivity: 91.6±0.4 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 1
ACD/LogP: 5.65
ACD/LogD (pH 5.5): 4.39
ACD/BCF (pH 5.5): 658.92
ACD/KOC (pH 5.5): 1667.84
ACD/LogD (pH 7.4): 2.59
ACD/BCF (pH 7.4): 10.64
ACD/KOC (pH 7.4): 26.93
Polar Surface Area: 47 Å2
Polarizability: 36.3±0.5 10-24cm3
Surface Tension: 41.1±5.0 dyne/cm
Molar Volume: 297.1±5.0 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) =  6.31

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  400.54  (Adapted Stein & Brown method)
    Melting Pt (deg C):  166.14  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.48E-006  (Modified Grain method)
    MP  (exp database):  100.5 deg C
    Subcooled liquid VP: 8.07E-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):  0.09366
       log Kow used: 6.31 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.2724 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.87E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.663E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.31  (KowWin est)
  Log Kaw used:  -6.441  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.751
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.4154
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9984  (months      )
   Biowin4 (Primary Survey Model) :   3.1474  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4003
   Biowin6 (MITI Non-Linear Model):   0.0947
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6973
 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):  0.00108 Pa (8.07E-006 mm Hg)
  Log Koa (Koawin est  ): 12.751
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00279 
       Octanol/air (Koa) model:  1.38 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0915 
       Mackay model           :  0.182 
       Octanol/air (Koa) model:  0.991 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 105.1304 E-12 cm3/molecule-sec
      Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.221 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 0.137 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1646
      Log Koc:  3.216 

 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: 6.31 (estimated)

 Volatilization from Water:
    Henry LC:  8.87E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.182E+005  hours   (4924 days)
    Half-Life from Model Lake : 1.289E+006  hours   (5.372E+004 days)

 Removal In Wastewater Treatment:
    Total removal:              93.11  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.33  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       0.00943         1.47         1000       
   Water     2.06            1.44e+003    1000       
   Soil      39.2            2.88e+003    1000       
   Sediment  58.7            1.3e+004     0          
     Persistence Time: 4.69e+003 hr

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