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ChemSpider 2D Image | (+)-taxifolin 3-O-acetate | C17H14O8

(+)-taxifolin 3-O-acetate

  • Molecular FormulaC17H14O8
  • Average mass346.288 Da
  • Monoisotopic mass346.068878 Da
  • ChemSpider ID390962
  • defined stereocentres - 2 of 2 defined stereocentres


More details:






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

(+)-taxifolin 3-O-acetate
(2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl acetate [ACD/IUPAC Name]
(2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-3-yl-acetat [German] [ACD/IUPAC Name]
4H-1-Benzopyran-4-one, 3-(acetyloxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)- [ACD/Index Name]
Acétate de (2R,3R)-2-(3,4-dihydroxyphényl)-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromén-3-yle [French] [ACD/IUPAC Name]
(2R,3R)-dihydroquercetin 3-acetate
(2R,3R)-taxifolin-3-acetate
3-O-acetyltaxifolin
3β-acetoxyeriodictyol
78834-97-6 [RN]
More...

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

C09967 [DBID]
CHEBI:9416 [DBID]

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

Density: 1.7±0.1 g/cm3
Boiling Point: 648.2±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.0 mmHg at 25°C
Enthalpy of Vaporization: 99.0±3.0 kJ/mol
Flash Point: 241.8±25.0 °C
Index of Refraction: 1.721
Molar Refractivity: 82.3±0.4 cm3
#H bond acceptors: 8
#H bond donors: 4
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.51
ACD/LogD (pH 5.5): 2.17
ACD/BCF (pH 5.5): 26.05
ACD/KOC (pH 5.5): 355.95
ACD/LogD (pH 7.4): 1.63
ACD/BCF (pH 7.4): 7.43
ACD/KOC (pH 7.4): 101.49
Polar Surface Area: 134 Å2
Polarizability: 32.6±0.5 10-24cm3
Surface Tension: 97.5±5.0 dyne/cm
Molar Volume: 208.2±5.0 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) =  1.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  541.32  (Adapted Stein & Brown method)
    Melting Pt (deg C):  231.90  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.07E-013  (Modified Grain method)
    Subcooled liquid VP: 3.49E-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):  1067
       log Kow used: 1.60 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2234.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.14E-023  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.840E-017 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.60  (KowWin est)
  Log Kaw used:  -20.677  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  22.277
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.3588
   Biowin2 (Non-Linear Model)     :   0.9995
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7190  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7907  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6397
   Biowin6 (MITI Non-Linear Model):   0.4595
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6328
 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):  4.65E-009 Pa (3.49E-011 mm Hg)
  Log Koa (Koawin est  ): 22.277
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  645 
       Octanol/air (Koa) model:  4.65E+009 
   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 = 249.6182 E-12 cm3/molecule-sec
      Half-Life =     0.043 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.514 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    :  4831
      Log Koc:  3.684 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.805E-003  L/mol-sec
  Kb Half-Life at pH 8:       7.829  years  
  Kb Half-Life at pH 7:      78.287  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = -0.308 (BCF = 0.4918)
       log Kow used: 1.60 (estimated)

 Volatilization from Water:
    Henry LC:  5.14E-023 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  2.12E+019  hours   (8.832E+017 days)
    Half-Life from Model Lake : 2.312E+020  hours   (9.635E+018 days)

 Removal In Wastewater Treatment:
    Total removal:               2.01  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.91  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       2.23e-011       1.03         1000       
   Water     30.9            900          1000       
   Soil      69              1.8e+003     1000       
   Sediment  0.0831          8.1e+003     0          
     Persistence Time: 1.23e+003 hr




                    

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