ChemSpider 2D Image | (2R,3R)-3,5,7-Trihydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one | C16H14O7

(2R,3R)-3,5,7-Trihydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one

  • Molecular FormulaC16H14O7
  • Average mass318.278 Da
  • Monoisotopic mass318.073944 Da
  • ChemSpider ID9841591

  • defined stereocentres - 2 of 2 defined stereocentres

More details:

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

(2R,3R)-3,5,7-Trihydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-on [German] [ACD/IUPAC Name]
(2R,3R)-3,5,7-Trihydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-chromen-4-one [ACD/IUPAC Name]
(2R,3R)-3,5,7-Trihydroxy-2-(3-hydroxy-4-méthoxyphényl)-2,3-dihydro-4H-chromén-4-one [French] [ACD/IUPAC Name]
4H-1-Benzopyran-4-one, 2,3-dihydro-3,5,7-trihydroxy-2-(3-hydroxy-4-methoxyphenyl)-, (2R,3R)- [ACD/Index Name]
(2R,3R)-3,3',5,7-Tetrahydroxy-4'-methoxyflavanone
[70411-27-7] [RN]
4/'-O-Methyltaxifolin
4-o-methyltaxifolin
4'-O-Methyltaxifolin
70411-27-7 [RN]
More...

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

    Density: 1.6±0.1 g/cm3
    Boiling Point: 642.9±55.0 °C at 760 mmHg
    Vapour Pressure: 0.0±2.0 mmHg at 25°C
    Enthalpy of Vaporization: 99.7±3.0 kJ/mol
    Flash Point: 243.6±25.0 °C
    Index of Refraction: 1.695
    Molar Refractivity: 78.5±0.3 cm3
    #H bond acceptors: 7
    #H bond donors: 4
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: 2.12
    ACD/LogD (pH 5.5): 1.99
    ACD/BCF (pH 5.5): 18.89
    ACD/KOC (pH 5.5): 283.19
    ACD/LogD (pH 7.4): 1.50
    ACD/BCF (pH 7.4): 6.14
    ACD/KOC (pH 7.4): 91.97
    Polar Surface Area: 116 Å2
    Polarizability: 31.1±0.5 10-24cm3
    Surface Tension: 79.1±3.0 dyne/cm
    Molar Volume: 204.3±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) =  0.90

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  520.46  (Adapted Stein & Brown method)
    Melting Pt (deg C):  222.16  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.43E-013  (Modified Grain method)
    Subcooled liquid VP: 4.41E-011 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):  2.012e+004
       log Kow used: 0.90 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  82668 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.70E-019  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.140E-018 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.90  (KowWin est)
  Log Kaw used:  -16.957  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.857
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.3728
   Biowin2 (Non-Linear Model)     :   0.9983
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6862  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7691  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6714
   Biowin6 (MITI Non-Linear Model):   0.5096
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6910
 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):  5.88E-009 Pa (4.41E-011 mm Hg)
  Log Koa (Koawin est  ): 17.857
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  510 
       Octanol/air (Koa) model:  1.77E+005 
   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 = 253.8060 E-12 cm3/molecule-sec
      Half-Life =     0.042 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.506 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   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    :  237.4
      Log Koc:  2.375 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 0.90 (estimated)

 Volatilization from Water:
    Henry LC:  2.7E-019 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.869E+015  hours   (1.612E+014 days)
    Half-Life from Model Lake :  4.22E+016  hours   (1.758E+015 days)

 Removal In Wastewater Treatment:
    Total removal:               1.88  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.79  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       1.04e-007       1.01         1000       
   Water     41.7            900          1000       
   Soil      58.2            1.8e+003     1000       
   Sediment  0.0863          8.1e+003     0          
     Persistence Time: 1.04e+003 hr

    Click to predict properties on the Chemicalize site


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