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ChemSpider 2D Image | 1-Methyl-2,6-dioxo-1H-purin-3(2H,6H,7H)-yl acetate | C8H8N4O4

1-Methyl-2,6-dioxo-1H-purin-3(2H,6H,7H)-yl acetate

  • Molecular FormulaC8H8N4O4
  • Average mass224.173 Da
  • Monoisotopic mass224.054550 Da
  • ChemSpider ID142127

More details:

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

1H-Purine-2,6-dione, 3-(acetyloxy)-3,7-dihydro-1-methyl- [ACD/Index Name]
1-Methyl-2,6-dioxo-1H-purin-3(2H,6H,7H)-yl acetate
34618-14-9 [RN]
3-Acetoxy-1-methyl-3,7-dihydro-1H-purin-2,6-dion [German] [ACD/IUPAC Name]
3-Acetoxy-1-methyl-3,7-dihydro-1H-purine-2,6-dione [ACD/IUPAC Name]
3-Acétoxy-1-méthyl-3,7-dihydro-1H-purine-2,6-dione [French] [ACD/IUPAC Name]
1-methyl-3-acetoxyxanthine
3-(Acetyloxy)-3,7-dihydro-1-methyl-1H-purine-2,6-dione
39227-95-7 [RN]

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

Density: 1.6±0.1 g/cm3
Boiling Point: 486.8±37.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.3±3.0 kJ/mol
Flash Point: 248.2±26.5 °C
Index of Refraction: 1.646
Molar Refractivity: 49.4±0.4 cm3
#H bond acceptors: 8
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -2.21
ACD/LogD (pH 5.5): -0.56
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 11.82
ACD/LogD (pH 7.4): -0.56
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 11.82
Polar Surface Area: 96 Å2
Polarizability: 19.6±0.5 10-24cm3
Surface Tension: 88.7±5.0 dyne/cm
Molar Volume: 136.2±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) =  -1.11

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  496.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  210.93  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.58E-010  (Modified Grain method)
    Subcooled liquid VP: 3.38E-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):  1.41e+004
       log Kow used: -1.11 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  77523 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.74E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.489E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.11  (KowWin est)
  Log Kaw used:  -10.560  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.450
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6408
   Biowin2 (Non-Linear Model)     :   0.4565
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7038  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5243  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0543
   Biowin6 (MITI Non-Linear Model):   0.0222
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5815
 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):  4.51E-006 Pa (3.38E-008 mm Hg)
  Log Koa (Koawin est  ): 9.450
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.666 
       Octanol/air (Koa) model:  0.000692 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.96 
       Mackay model           :  0.982 
       Octanol/air (Koa) model:  0.0524 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  18.7671 E-12 cm3/molecule-sec
      Half-Life =     0.570 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.839 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.971 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.359E+004  L/mol-sec
  Kb Half-Life at pH 8:      51.003  seconds
  Kb Half-Life at pH 7:       8.501  minutes

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -1.11 (estimated)

 Volatilization from Water:
    Henry LC:  6.74E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.301E+009  hours   (5.419E+007 days)
    Half-Life from Model Lake : 1.419E+010  hours   (5.912E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       0.000353        13.7         1000       
   Water     46.4            900          1000       
   Soil      53.5            1.8e+003     1000       
   Sediment  0.0891          8.1e+003     0          
     Persistence Time: 973 hr

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