ChemSpider 2D Image | [(3,4,8,8-Tetramethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetic acid | C18H20O6

[(3,4,8,8-Tetramethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetic acid

  • Molecular FormulaC18H20O6
  • Average mass332.348 Da
  • Monoisotopic mass332.125977 Da
  • ChemSpider ID6320956

More details:






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

[(3,4,8,8-Tetramethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetic acid [ACD/IUPAC Name]
[(3,4,8,8-Tetramethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]essigsäure [German] [ACD/IUPAC Name]
Acetic acid, 2-[(9,10-dihydro-3,4,8,8-tetramethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-5-yl)oxy]- [ACD/Index Name]
Acide [(3,4,8,8-tétraméthyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromén-5-yl)oxy]acétique [French] [ACD/IUPAC Name]
(3,4,8,8-Tetramethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yloxy)-acetic acid
2-((3,4,8,8-tetramethyl-2-oxo-2,8,9,10-tetrahydropyrano[2,3-f]chromen-5-yl)oxy)acetic acid
2-[(3,4,8,8-tetramethyl-2-oxo-9,10-dihydropyrano[2,3-h]chromen-5-yl)oxy]acetic acid
956725-45-4 [RN]
c18h20o6

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

Density: 1.3±0.1 g/cm3
Boiling Point: 536.8±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 85.6±3.0 kJ/mol
Flash Point: 195.2±23.6 °C
Index of Refraction: 1.557
Molar Refractivity: 85.2±0.3 cm3
#H bond acceptors: 6
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 3.85
ACD/LogD (pH 5.5): 1.41
ACD/BCF (pH 5.5): 1.75
ACD/KOC (pH 5.5): 10.11
ACD/LogD (pH 7.4): 0.25
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 82 Å2
Polarizability: 33.8±0.5 10-24cm3
Surface Tension: 44.5±3.0 dyne/cm
Molar Volume: 264.5±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) =  3.82

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  495.10  (Adapted Stein & Brown method)
    Melting Pt (deg C):  210.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.93E-010  (Modified Grain method)
    Subcooled liquid VP: 3.65E-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):  10.72
       log Kow used: 3.82 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  12.512 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Methacrylates-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.58E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.603E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.82  (KowWin est)
  Log Kaw used:  -9.835  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.655
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9707
   Biowin2 (Non-Linear Model)     :   0.9983
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5663  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.9150  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7297
   Biowin6 (MITI Non-Linear Model):   0.5733
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5870
 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):  4.87E-006 Pa (3.65E-008 mm Hg)
  Log Koa (Koawin est  ): 13.655
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.616 
       Octanol/air (Koa) model:  11.1 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.957 
       Mackay model           :  0.98 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 249.6867 E-12 cm3/molecule-sec
      Half-Life =     0.043 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.514 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    88.724998 E-17 cm3/molecule-sec
      Half-Life =     0.013 Days (at 7E11 mol/cm3)
      Half-Life =     18.599 Min
   Fraction sorbed to airborne particulates (phi): 0.969 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  169.3
      Log Koc:  2.229 

 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: 3.82 (estimated)

 Volatilization from Water:
    Henry LC:  3.58E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.982E+008  hours   (1.242E+007 days)
    Half-Life from Model Lake : 3.253E+009  hours   (1.355E+008 days)

 Removal In Wastewater Treatment:
    Total removal:              22.57  percent
    Total biodegradation:        0.26  percent
    Total sludge adsorption:    22.31  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       0.000833        0.238        1000       
   Water     11.7            900          1000       
   Soil      86.5            1.8e+003     1000       
   Sediment  1.8             8.1e+003     0          
     Persistence Time: 1.77e+003 hr




                    

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