ChemSpider 2D Image | Leptosidin | C16H12O6

Leptosidin

  • Molecular FormulaC16H12O6
  • Average mass300.263 Da
  • Monoisotopic mass300.063385 Da
  • ChemSpider ID4444669
  • Double-bond stereo - Double-bond stereo


More details:






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

(2Z)-2-(3,4-Dihydroxybenzyliden)-6-hydroxy-7-methoxy-1-benzofuran-3(2H)-on [German] [ACD/IUPAC Name]
(2Z)-2-(3,4-Dihydroxybenzylidene)-6-hydroxy-7-methoxy-1-benzofuran-3(2H)-one [ACD/IUPAC Name]
(2Z)-2-(3,4-Dihydroxybenzylidène)-6-hydroxy-7-méthoxy-1-benzofuran-3(2H)-one [French] [ACD/IUPAC Name]
(Z)-2-((3,4-Dihydroxyphenyl)methylene)-6-hydroxy-7-methoxy-3(2H)-benzofuranone
3(2H)-Benzofuranone, 2-((3,4-dihydroxyphenyl)methylene)-6-hydroxy-7-methoxy-, (Z)-
3(2H)-Benzofuranone, 2-(3,4-dihydroxybenzylidene)-6-hydroxy-7-methoxy-
3(2H)-Benzofuranone, 2-[(3,4-dihydroxyphenyl)methylene]-6-hydroxy-7-methoxy-, (2Z)- [ACD/Index Name]
Leptosidin [Wiki]
(2Z)-2-[(3,4-dihydroxyphenyl)methylidene]-6-hydroxy-7-methoxy-1-benzofuran-3(2H)-one
486-24-8 [RN]

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

C08651 [DBID]

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

Density: 1.6±0.1 g/cm3
Boiling Point: 616.7±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.8 mmHg at 25°C
Enthalpy of Vaporization: 94.8±3.0 kJ/mol
Flash Point: 236.1±25.0 °C
Index of Refraction: 1.748
Molar Refractivity: 78.5±0.3 cm3
#H bond acceptors: 6
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.34
ACD/LogD (pH 5.5): 1.89
ACD/BCF (pH 5.5): 16.14
ACD/KOC (pH 5.5): 254.05
ACD/LogD (pH 7.4): 1.62
ACD/BCF (pH 7.4): 8.57
ACD/KOC (pH 7.4): 134.97
Polar Surface Area: 96 Å2
Polarizability: 31.1±0.5 10-24cm3
Surface Tension: 81.3±3.0 dyne/cm
Molar Volume: 193.1±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) =  1.89

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  487.97  (Adapted Stein & Brown method)
    Melting Pt (deg C):  206.98  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.54E-011  (Modified Grain method)
    Subcooled liquid VP: 1.31E-009 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):  1126
       log Kow used: 1.89 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  215.42 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.70E-020  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.404E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.89  (KowWin est)
  Log Kaw used:  -18.158  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  20.048
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2227
   Biowin2 (Non-Linear Model)     :   0.9960
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5660  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6656  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5674
   Biowin6 (MITI Non-Linear Model):   0.3659
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4121
 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):  1.75E-007 Pa (1.31E-009 mm Hg)
  Log Koa (Koawin est  ): 20.048
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  17.2 
       Octanol/air (Koa) model:  2.74E+007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 231.6646 E-12 cm3/molecule-sec
      Half-Life =     0.046 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.554 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    10.500000 E-17 cm3/molecule-sec
      Half-Life =     0.109 Days (at 7E11 mol/cm3)
      Half-Life =      2.619 Hrs
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4747
      Log Koc:  3.676 

 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 = -0.083 (BCF = 0.8263)
       log Kow used: 1.89 (estimated)

 Volatilization from Water:
    Henry LC:  1.7E-020 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.968E+016  hours   (2.487E+015 days)
    Half-Life from Model Lake :  6.51E+017  hours   (2.713E+016 days)

 Removal In Wastewater Treatment:
    Total removal:               2.16  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.06  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       1.58e-010       0.779        1000       
   Water     25.1            900          1000       
   Soil      74.8            1.8e+003     1000       
   Sediment  0.0859          8.1e+003     0          
     Persistence Time: 1.37e+003 hr




                    

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