ChemSpider 2D Image | 7,8-DIMETHOXYFLAVONE | C17H14O4

7,8-DIMETHOXYFLAVONE

  • Molecular FormulaC17H14O4
  • Average mass282.291 Da
  • Monoisotopic mass282.089203 Da
  • ChemSpider ID600397

More details:

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

4H-1-Benzopyran-4-one, 7,8-dimethoxy-2-phenyl- [ACD/Index Name]
65548-54-1 [RN]
7,8-Dimethoxy-2-phenyl-4H-chromen-4-on [German] [ACD/IUPAC Name]
7,8-Dimethoxy-2-phenyl-4H-chromen-4-one [ACD/IUPAC Name]
7,8-Diméthoxy-2-phényl-4H-chromén-4-one [French] [ACD/IUPAC Name]
7,8-DIMETHOXYFLAVONE
7,8 - Dimethoxyflavone
7,8-Dimethoxy Flavone
7,8-dimethoxy-2-phenyl-4H-1-benzopyran-4-one
7,8-dimethoxy-2-phenylchromen-4-one
More...

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

D1931_SIGMA [DBID]
ZINC00058127 [DBID]
  • Miscellaneous

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

Density: 1.2±0.1 g/cm3
Boiling Point: 458.9±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 71.9±3.0 kJ/mol
Flash Point: 205.1±28.8 °C
Index of Refraction: 1.598
Molar Refractivity: 77.6±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.94
ACD/LogD (pH 5.5): 3.16
ACD/BCF (pH 5.5): 147.85
ACD/KOC (pH 5.5): 1243.86
ACD/LogD (pH 7.4): 3.16
ACD/BCF (pH 7.4): 147.85
ACD/KOC (pH 7.4): 1243.86
Polar Surface Area: 45 Å2
Polarizability: 30.7±0.5 10-24cm3
Surface Tension: 46.3±3.0 dyne/cm
Molar Volume: 227.3±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) =  2.94

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  407.16  (Adapted Stein & Brown method)
    Melting Pt (deg C):  153.22  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.74E-007  (Modified Grain method)
    Subcooled liquid VP: 5.57E-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):  48.12
       log Kow used: 2.94 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.9282 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.26E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.115E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.94  (KowWin est)
  Log Kaw used:  -8.288  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.228
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1438
   Biowin2 (Non-Linear Model)     :   0.9992
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4005  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6545  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6403
   Biowin6 (MITI Non-Linear Model):   0.5215
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2957
 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):  0.000743 Pa (5.57E-006 mm Hg)
  Log Koa (Koawin est  ): 11.228
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00404 
       Octanol/air (Koa) model:  0.0415 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.127 
       Mackay model           :  0.244 
       Octanol/air (Koa) model:  0.768 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 220.9153 E-12 cm3/molecule-sec
      Half-Life =     0.048 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.581 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
   Fraction sorbed to airborne particulates (phi): 0.186 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3425
      Log Koc:  3.535 

 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 = 0.722 (BCF = 5.277)
       log Kow used: 2.94 (estimated)

 Volatilization from Water:
    Henry LC:  1.26E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.807E+006  hours   (3.253E+005 days)
    Half-Life from Model Lake : 8.517E+007  hours   (3.549E+006 days)

 Removal In Wastewater Treatment:
    Total removal:               5.21  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     5.09  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       0.00111         0.805        1000       
   Water     13.3            900          1000       
   Soil      86.5            1.8e+003     1000       
   Sediment  0.265           8.1e+003     0          
     Persistence Time: 1.73e+003 hr

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