ChemSpider 2D Image | (1R,2R,6S,7R)-4-Oxatricyclo[,6~]dec-8-ene-3,5-dione | C9H8O3


  • Molecular FormulaC9H8O3
  • Average mass164.158 Da
  • Monoisotopic mass164.047348 Da
  • ChemSpider ID88962
  • defined stereocentres - 4 of 4 defined stereocentres

More details:

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

(1R,2R,6S,7R)-4-Oxatricyclo[,6]dec-8-en-3,5-dion [German] [ACD/IUPAC Name]
(1R,2R,6S,7R)-4-Oxatricyclo[,6]dec-8-ene-3,5-dione [ACD/IUPAC Name]
(1R,2R,6S,7R)-4-Oxatricyclo[,6]déc-8-ène-3,5-dione [French] [ACD/IUPAC Name]
4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aR,4R,7R,7aS)- [ACD/Index Name]
129-64-6 [RN]
204-957-7 [EINECS]
2746-19-2 [RN]
3,6-Endomethylene-δ4-tetrahydrophthalic anhydride

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

NSC 102277 [DBID]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 331.1±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 57.4±3.0 kJ/mol
Flash Point: 163.8±25.1 °C
Index of Refraction: 1.584
Molar Refractivity: 39.1±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.04
ACD/LogD (pH 5.5): 0.26
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 33.02
ACD/LogD (pH 7.4): 0.26
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 33.02
Polar Surface Area: 43 Å2
Polarizability: 15.5±0.5 10-24cm3
Surface Tension: 51.0±3.0 dyne/cm
Molar Volume: 116.8±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) =  1.85

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  248.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  18.91  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00106  (Modified Grain method)
    MP  (exp database):  164.5 deg C
    Subcooled liquid VP: 0.029 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):  1731
       log Kow used: 1.85 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2766.1 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.11E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.323E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.85  (KowWin est)
  Log Kaw used:  -3.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.193
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6694
   Biowin2 (Non-Linear Model)     :   0.6632
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8364  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6109  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3056
   Biowin6 (MITI Non-Linear Model):   0.0803
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7268
 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):  3.87 Pa (0.029 mm Hg)
  Log Koa (Koawin est  ): 5.193
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.76E-007 
       Octanol/air (Koa) model:  3.83E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.8E-005 
       Mackay model           :  6.21E-005 
       Octanol/air (Koa) model:  3.06E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  60.1285 E-12 cm3/molecule-sec
      Half-Life =     0.178 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.135 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    20.000000 E-17 cm3/molecule-sec
      Half-Life =     0.057 Days (at 7E11 mol/cm3)
      Half-Life =      1.375 Hrs
   Fraction sorbed to airborne particulates (phi): 4.5E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  19.59
      Log Koc:  1.292 

 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 = 0.723 (BCF = 5.281)
       log Kow used: 1.85 (estimated)

 Volatilization from Water:
    Henry LC:  1.11E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      68.89  hours   (2.87 days)
    Half-Life from Model Lake :      858.9  hours   (35.79 days)

 Removal In Wastewater Treatment:
    Total removal:               2.74  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.02  percent
    Total to Air:                0.62  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.142           1.04         1000       
   Water     33.9            360          1000       
   Soil      65.9            720          1000       
   Sediment  0.103           3.24e+003    0          
     Persistence Time: 387 hr


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