ChemSpider 2D Image | (-)-alpinetin | C16H14O4

(-)-alpinetin

  • Molecular FormulaC16H14O4
  • Average mass270.280 Da
  • Monoisotopic mass270.089203 Da
  • ChemSpider ID135938

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(-)-alpinetin
(2S)-7-Hydroxy-5-methoxy-2-phenyl-2,3-dihydro-4H-1-benzopyran-4-one
(2S)-7-Hydroxy-5-methoxy-2-phenyl-2,3-dihydro-4H-chromen-4-on [German] [ACD/IUPAC Name]
(2S)-7-Hydroxy-5-methoxy-2-phenyl-2,3-dihydro-4H-chromen-4-one [ACD/IUPAC Name]
(2S)-7-Hydroxy-5-méthoxy-2-phényl-2,3-dihydro-4H-chromén-4-one [French] [ACD/IUPAC Name]
(2S)-7-hydroxy-5-methoxy-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one
(2S)-Alpinetin
(S)-7-Hydroxy-5-methoxy-2-phenylchroman-4-one
(S)-7-Hydroxy-5-methoxyflavanone
36052-37-6 [RN]
More...

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

AIDS354121 [DBID]
AIDS-354121 [DBID]
ZINC00338037 [DBID]

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 494.9±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.3 mmHg at 25°C
    Enthalpy of Vaporization: 79.1±3.0 kJ/mol
    Flash Point: 188.8±22.2 °C
    Index of Refraction: 1.612
    Molar Refractivity: 73.2±0.3 cm3
    #H bond acceptors: 4
    #H bond donors: 1
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: 3.71
    ACD/LogD (pH 5.5): 3.27
    ACD/BCF (pH 5.5): 177.67
    ACD/KOC (pH 5.5): 1412.87
    ACD/LogD (pH 7.4): 2.94
    ACD/BCF (pH 7.4): 83.64
    ACD/KOC (pH 7.4): 665.07
    Polar Surface Area: 56 Å2
    Polarizability: 29.0±0.5 10-24cm3
    Surface Tension: 51.5±3.0 dyne/cm
    Molar Volume: 210.4±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) =  2.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  414.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  166.26  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.55E-008  (Modified Grain method)
    Subcooled liquid VP: 7.27E-007 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):  241.6
       log Kow used: 2.88 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  318.94 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.27E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.754E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.88  (KowWin est)
  Log Kaw used:  -11.285  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.165
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1334
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5415  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6344  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5484
   Biowin6 (MITI Non-Linear Model):   0.5123
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2646
 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):  9.69E-005 Pa (7.27E-007 mm Hg)
  Log Koa (Koawin est  ): 14.165
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0309 
       Octanol/air (Koa) model:  35.9 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.528 
       Mackay model           :  0.712 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 247.9838 E-12 cm3/molecule-sec
      Half-Life =     0.043 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.518 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.62 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1737
      Log Koc:  3.240 

 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 = 0.675 (BCF = 4.736)
       log Kow used: 2.88 (estimated)

 Volatilization from Water:
    Henry LC:  1.27E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.579E+009  hours   (3.158E+008 days)
    Half-Life from Model Lake : 8.268E+010  hours   (3.445E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               4.79  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.67  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       2.38e-006       1.04         1000       
   Water     13.4            900          1000       
   Soil      86.4            1.8e+003     1000       
   Sediment  0.234           8.1e+003     0          
     Persistence Time: 1.76e+003 hr

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