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

Methyl [(4,8,8-trimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetate

  • Molecular FormulaC18H20O6
  • Average mass332.348 Da
  • Monoisotopic mass332.125977 Da
  • ChemSpider ID21366775

More details:

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

[(4,8,8-Triméthyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromén-5-yl)oxy]acétate de méthyle [French] [ACD/IUPAC Name]
Acetic acid, 2-[(9,10-dihydro-4,8,8-trimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-5-yl)oxy]-, methyl ester [ACD/Index Name]
Methyl [(4,8,8-trimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetate [ACD/IUPAC Name]
Methyl-[(4,8,8-trimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yl)oxy]acetat [German] [ACD/IUPAC Name]
(4,8,8-Trimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-5-yloxy)-acetic acid methyl ester
1014081-10-7 [RN]
methyl 2-((4,8,8-trimethyl-2-oxo-2,8,9,10-tetrahydropyrano[2,3-f]chromen-5-yl)oxy)acetate
methyl 2-({4,8,8-trimethyl-2-oxo-2H,8H,9H,10H-pyrano[2,3-h]chromen-5-yl}oxy)acetate
methyl 2-[(4,8,8-trimethyl-2-oxo-9,10-dihydropyrano[2,3-h]chromen-5-yl)oxy]acetate
MFCD09843857 [MDL number]
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    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.2±0.1 g/cm3
    Boiling Point: 492.5±45.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.2 mmHg at 25°C
    Enthalpy of Vaporization: 75.9±3.0 kJ/mol
    Flash Point: 217.7±28.8 °C
    Index of Refraction: 1.540
    Molar Refractivity: 85.3±0.3 cm3
    #H bond acceptors: 6
    #H bond donors: 0
    #Freely Rotating Bonds: 4
    #Rule of 5 Violations: 0
    ACD/LogP: 3.32
    ACD/LogD (pH 5.5): 3.59
    ACD/BCF (pH 5.5): 317.48
    ACD/KOC (pH 5.5): 2149.46
    ACD/LogD (pH 7.4): 3.59
    ACD/BCF (pH 7.4): 317.48
    ACD/KOC (pH 7.4): 2149.46
    Polar Surface Area: 71 Å2
    Polarizability: 33.8±0.5 10-24cm3
    Surface Tension: 41.5±3.0 dyne/cm
    Molar Volume: 271.9±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) =  3.56

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  451.44  (Adapted Stein & Brown method)
    Melting Pt (deg C):  181.29  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.07E-008  (Modified Grain method)
    Subcooled liquid VP: 4.53E-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):  7.214
       log Kow used: 3.56 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.1067 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.31E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.486E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.56  (KowWin est)
  Log Kaw used:  -7.525  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.085
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0722
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3419  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7584  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8984
   Biowin6 (MITI Non-Linear Model):   0.8369
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4985
 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):  6.04E-005 Pa (4.53E-007 mm Hg)
  Log Koa (Koawin est  ): 11.085
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0497 
       Octanol/air (Koa) model:  0.0299 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.642 
       Mackay model           :  0.799 
       Octanol/air (Koa) model:  0.705 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 238.6565 E-12 cm3/molecule-sec
      Half-Life =     0.045 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.538 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    13.650000 E-17 cm3/molecule-sec
      Half-Life =     0.084 Days (at 7E11 mol/cm3)
      Half-Life =      2.015 Hrs
   Fraction sorbed to airborne particulates (phi): 0.721 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  536.7
      Log Koc:  2.730 

 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 = 2.041 (BCF = 109.9)
       log Kow used: 3.56 (estimated)

 Volatilization from Water:
    Henry LC:  7.31E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  1.46E+006  hours   (6.084E+004 days)
    Half-Life from Model Lake : 1.593E+007  hours   (6.637E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              14.47  percent
    Total biodegradation:        0.20  percent
    Total sludge adsorption:    14.27  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       0.0114          0.701        1000       
   Water     13.9            900          1000       
   Soil      85              1.8e+003     1000       
   Sediment  1.16            8.1e+003     0          
     Persistence Time: 1.45e+003 hr

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