ChemSpider 2D Image | Meciadanol | C16H16O6

Meciadanol

  • Molecular FormulaC16H16O6
  • Average mass304.295 Da
  • Monoisotopic mass304.094696 Da
  • ChemSpider ID43318

More details:

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

2-(3,4-Dihydroxyphenyl)-3-methoxy-5,7-chromandiol [German] [ACD/IUPAC Name]
2-(3,4-Dihydroxyphenyl)-3-methoxy-5,7-chromanediol [ACD/IUPAC Name]
2-(3,4-Dihydroxyphényl)-3-méthoxy-5,7-chromanediol [French] [ACD/IUPAC Name]
2-(3,4-Dihydroxyphenyl)-3-methoxychroman-5,7-diol
2H-1-Benzopyran-5,7-diol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-3-methoxy- [ACD/Index Name]
60383-97-3 [RN]
Meciadanol [INN] [Wiki]
(2R-trans)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-3-methoxy-2H-1-benzopyran-5,7-diol
25135-51-7 [RN]
2H64SE2UXS
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.5±0.1 g/cm3
Boiling Point: 578.5±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.7 mmHg at 25°C
Enthalpy of Vaporization: 89.8±3.0 kJ/mol
Flash Point: 303.7±30.1 °C
Index of Refraction: 1.710
Molar Refractivity: 77.5±0.4 cm3
#H bond acceptors: 6
#H bond donors: 4
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.05
ACD/LogD (pH 5.5): 1.15
ACD/BCF (pH 5.5): 4.42
ACD/KOC (pH 5.5): 100.88
ACD/LogD (pH 7.4): 1.14
ACD/BCF (pH 7.4): 4.32
ACD/KOC (pH 7.4): 98.40
Polar Surface Area: 99 Å2
Polarizability: 30.7±0.5 10-24cm3
Surface Tension: 86.2±5.0 dyne/cm
Molar Volume: 198.2±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) =  1.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  482.87  (Adapted Stein & Brown method)
    Melting Pt (deg C):  204.60  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.32E-011  (Modified Grain method)
    Subcooled liquid VP: 1.84E-009 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):  1105
       log Kow used: 1.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  457.78 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.28E-023  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.406E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.87  (KowWin est)
  Log Kaw used:  -21.031  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  22.901
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9051
   Biowin2 (Non-Linear Model)     :   0.8479
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6106  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5663  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2489
   Biowin6 (MITI Non-Linear Model):   0.0786
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4738
 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):  2.45E-007 Pa (1.84E-009 mm Hg)
  Log Koa (Koawin est  ): 22.901
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  12.2 
       Octanol/air (Koa) model:  1.95E+010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 234.9979 E-12 cm3/molecule-sec
      Half-Life =     0.046 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.546 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.968E+004
      Log Koc:  4.294 

 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 = 0.743 (BCF = 5.537)
       log Kow used: 1.87 (estimated)

 Volatilization from Water:
    Henry LC:  2.28E-023 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  4.48E+019  hours   (1.866E+018 days)
    Half-Life from Model Lake : 4.887E+020  hours   (2.036E+019 days)

 Removal In Wastewater Treatment:
    Total removal:               2.14  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.05  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       1.49e-013       1.09         1000       
   Water     25.5            900          1000       
   Soil      74.4            1.8e+003     1000       
   Sediment  0.0855          8.1e+003     0          
     Persistence Time: 1.36e+003 hr

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