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Search term: 735-46-6 (Found by approved synonym)

ChemSpider 2D Image | hamaudol | C15H16O5

hamaudol

  • Molecular FormulaC15H16O5
  • Average mass276.284 Da
  • Monoisotopic mass276.099762 Da
  • ChemSpider ID144403
  • defined stereocentres - 1 of 1 defined stereocentres


More details:






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

(3S)-3,5-Dihydroxy-2,2,8-trimethyl-3,4-dihydro-2H,6H-pyrano[3,2-g]chromen-6-on [German] [ACD/IUPAC Name]
(3S)-3,5-Dihydroxy-2,2,8-trimethyl-3,4-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one [ACD/IUPAC Name]
(3S)-3,5-Dihydroxy-2,2,8-triméthyl-3,4-dihydro-2H,6H-pyrano[3,2-g]chromén-6-one [French] [ACD/IUPAC Name]
(7S)-5,7-dihydroxy-2,8,8-trimethyl-4H,6H,7H,8H-pyrano[3,2-g]chromen-4-one
2H,6H-Benzo(1,2-b:5,4-b')dipyran-6-one, 3,4-dihydro-3,5-dihydroxy-2,2,8-trimethyl-, (S)-
2H,6H-Benzo[1,2-b:5,4-b']dipyran-6-one, 3,4-dihydro-3,5-dihydroxy-2,2,8-trimethyl-, (3S)- [ACD/Index Name]
735-46-6 [RN]
hamaudol
(3S)-3,5-dihydroxy-2,2,8-trimethyl-3,4-dihydropyrano[3,2-g]chromen-6-one
[735-46-6] [RN]
More...

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 464.7±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.2 mmHg at 25°C
    Enthalpy of Vaporization: 76.5±3.0 kJ/mol
    Flash Point: 176.0±22.2 °C
    Index of Refraction: 1.603
    Molar Refractivity: 71.0±0.3 cm3
    #H bond acceptors: 5
    #H bond donors: 2
    #Freely Rotating Bonds: 0
    #Rule of 5 Violations: 0
    ACD/LogP: 2.40
    ACD/LogD (pH 5.5): 2.84
    ACD/BCF (pH 5.5): 83.68
    ACD/KOC (pH 5.5): 815.81
    ACD/LogD (pH 7.4): 2.15
    ACD/BCF (pH 7.4): 17.23
    ACD/KOC (pH 7.4): 167.98
    Polar Surface Area: 76 Å2
    Polarizability: 28.2±0.5 10-24cm3
    Surface Tension: 52.3±3.0 dyne/cm
    Molar Volume: 206.8±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) =  2.93
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  428.14  (Adapted Stein & Brown method)
        Melting Pt (deg C):  179.03  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  6.84E-010  (Modified Grain method)
        Subcooled liquid VP: 2.73E-008 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):  653.9
           log Kow used: 2.93 (estimated)
           no-melting pt equation used
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  4549 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 :   4.08E-013  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  3.803E-013 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  2.93  (KowWin est)
      Log Kaw used:  -10.778  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  13.708
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   1.0319
       Biowin2 (Non-Linear Model)     :   0.9822
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   2.3793  (weeks-months)
       Biowin4 (Primary Survey Model) :   3.5283  (days-weeks  )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.6637
       Biowin6 (MITI Non-Linear Model):   0.4682
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model):  0.1895
     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):  3.64E-006 Pa (2.73E-008 mm Hg)
      Log Koa (Koawin est  ): 13.708
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  0.824 
           Octanol/air (Koa) model:  12.5 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  0.967 
           Mackay model           :  0.985 
           Octanol/air (Koa) model:  0.999 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant = 262.1628 E-12 cm3/molecule-sec
          Half-Life =     0.041 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =    29.375 Min
       Ozone Reaction:
          OVERALL Ozone Rate Constant =     5.687500 E-17 cm3/molecule-sec
          Half-Life =     0.201 Days (at 7E11 mol/cm3)
          Half-Life =      4.836 Hrs
       Reaction With Nitrate Radicals May Be Important!
       Fraction sorbed to airborne particulates (phi): 0.976 (Junge,Mackay)
        Note: the sorbed fraction may be resistant to atmospheric oxidation
    
     Soil Adsorption Coefficient (PCKOCWIN v1.66):
          Koc    :  32.45
          Log Koc:  1.511 
    
     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 = 0.714 (BCF = 5.182)
           log Kow used: 2.93 (estimated)
    
     Volatilization from Water:
        Henry LC:  4.08E-013 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River: 2.385E+009  hours   (9.939E+007 days)
        Half-Life from Model Lake : 2.602E+010  hours   (1.084E+009 days)
    
     Removal In Wastewater Treatment:
        Total removal:               5.14  percent
        Total biodegradation:        0.12  percent
        Total sludge adsorption:     5.02  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       0.000127        0.814        1000       
       Water     13.1            900          1000       
       Soil      86.6            1.8e+003     1000       
       Sediment  0.257           8.1e+003     0          
         Persistence Time: 1.76e+003 hr
    
    
    
    
                        

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