ChemSpider 2D Image | (7R,8S,8aR,9aS)-10,11-Dimethyl-7,8,8a,9a-tetrahydrochryseno[3,4-b]oxirene-7,8-diol | C20H18O3

(7R,8S,8aR,9aS)-10,11-Dimethyl-7,8,8a,9a-tetrahydrochryseno[3,4-b]oxirene-7,8-diol

  • Molecular FormulaC20H18O3
  • Average mass306.355 Da
  • Monoisotopic mass306.125580 Da
  • ChemSpider ID106793
  • defined stereocentres - 4 of 4 defined stereocentres


More details:






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

(7R,8S,8aR,9aS)-10,11-Dimethyl-7,8,8a,9a-tetrahydrochryseno[3,4-b]oxiren-7,8-diol [German] [ACD/IUPAC Name]
(7R,8S,8aR,9aS)-10,11-Dimethyl-7,8,8a,9a-tetrahydrochryseno[3,4-b]oxirene-7,8-diol [ACD/IUPAC Name]
(7R,8S,8aR,9aS)-10,11-Diméthyl-7,8,8a,9a-tétrahydrochryséno[3,4-b]oxirène-7,8-diol [French] [ACD/IUPAC Name]
Chryseno[3,4-b]oxirene-7,8-diol, 7,8,8a,9a-tetrahydro-10,11-dimethyl-, (7R,8S,8aR,9aS)- [ACD/Index Name]
1,2-dihydroxy-5,6-dimethyl-3,4-epoxy-1,2,3,4-tetrahydrochrysene
139562-15-5 [RN]
5,6-Dimec-1,2-diol-3,4-epoxide
5,6-Dimecde
5,6-Dimethylchrysene-1,2-diol-3,4-epoxide
Chryseno(3,4-b)oxirene-1,2-diol, 1,2,2a,3a-tetrahydro-4,5-dimethyl-, (1α,2β,2aβ,3aβ)-(±)-
More...

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

Density: 1.4±0.1 g/cm3
Boiling Point: 583.0±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.7 mmHg at 25°C
Enthalpy of Vaporization: 91.7±3.0 kJ/mol
Flash Point: 306.4±30.1 °C
Index of Refraction: 1.764
Molar Refractivity: 91.2±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 4.25
ACD/LogD (pH 5.5): 3.77
ACD/BCF (pH 5.5): 433.53
ACD/KOC (pH 5.5): 2686.48
ACD/LogD (pH 7.4): 3.77
ACD/BCF (pH 7.4): 433.53
ACD/KOC (pH 7.4): 2686.48
Polar Surface Area: 53 Å2
Polarizability: 36.2±0.5 10-24cm3
Surface Tension: 63.5±3.0 dyne/cm
Molar Volume: 220.8±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) =  4.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  488.20  (Adapted Stein & Brown method)
    Melting Pt (deg C):  207.09  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.67E-012  (Modified Grain method)
    Subcooled liquid VP: 1.42E-010 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):  0.2938
       log Kow used: 4.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  13.216 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Epoxides
       Benzyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.73E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.291E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.07  (KowWin est)
  Log Kaw used:  -11.400  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.470
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6811
   Biowin2 (Non-Linear Model)     :   0.2008
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6837  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5178  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2621
   Biowin6 (MITI Non-Linear Model):   0.0564
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3267
 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):  1.89E-008 Pa (1.42E-010 mm Hg)
  Log Koa (Koawin est  ): 15.470
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  158 
       Octanol/air (Koa) model:  724 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 138.6000 E-12 cm3/molecule-sec
      Half-Life =     0.077 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.926 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  165.4
      Log Koc:  2.218 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Ka (acid-catalyzed) at 25 deg C :  2.158E+002  L/mol-sec [cis-isomer]
  Total Ka (acid-catalyzed) at 25 deg C :  5.058E+001  L/mol-sec [trans-isomer]
  Ka Half-Life at pH 7:       8.923  hours    [cis-isomer]
  Ka Half-Life at pH 7:       1.586  days     [trans-isomer]
 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.432 (BCF = 270.5)
       log Kow used: 4.07 (estimated)

 Volatilization from Water:
    Henry LC:  9.73E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.053E+010  hours   (4.388E+008 days)
    Half-Life from Model Lake : 1.149E+011  hours   (4.787E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              33.36  percent
    Total biodegradation:        0.35  percent
    Total sludge adsorption:    33.01  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       0.00549         1.85         1000       
   Water     11.3            900          1000       
   Soil      85.6            1.8e+003     1000       
   Sediment  3.13            8.1e+003     0          
     Persistence Time: 1.81e+003 hr




                    

Click to predict properties on the Chemicalize site






Advertisement