ChemSpider 2D Image | 7-Methoxy-1,3,8-trimethylxanthine | C9H12N4O3

7-Methoxy-1,3,8-trimethylxanthine

  • Molecular FormulaC9H12N4O3
  • Average mass224.217 Da
  • Monoisotopic mass224.090942 Da
  • ChemSpider ID2282518

More details:

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

1H-Purine-2,6-dione, 3,7-dihydro-7-methoxy-1,3,8-trimethyl- [ACD/Index Name]
7-Methoxy-1,3,8-trimethyl-3,7-dihydro-1H-purin-2,6-dion [German] [ACD/IUPAC Name]
7-Methoxy-1,3,8-trimethyl-3,7-dihydro-1H-purine-2,6-dione [ACD/IUPAC Name]
7-Méthoxy-1,3,8-triméthyl-3,7-dihydro-1H-purine-2,6-dione [French] [ACD/IUPAC Name]
7-Methoxy-1,3,8-trimethylxanthine
Xanthine, 7-methoxy-1,3,8-trimethyl-
1018-54-8 [RN]

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

Density: 1.4±0.1 g/cm3
Boiling Point: 395.3±52.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 64.5±3.0 kJ/mol
Flash Point: 192.8±30.7 °C
Index of Refraction: 1.644
Molar Refractivity: 56.2±0.5 cm3
#H bond acceptors: 7
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.76
ACD/LogD (pH 5.5): 0.53
ACD/BCF (pH 5.5): 1.48
ACD/KOC (pH 5.5): 46.02
ACD/LogD (pH 7.4): 0.53
ACD/BCF (pH 7.4): 1.48
ACD/KOC (pH 7.4): 46.02
Polar Surface Area: 68 Å2
Polarizability: 22.3±0.5 10-24cm3
Surface Tension: 51.1±7.0 dyne/cm
Molar Volume: 155.2±7.0 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) =  0.24

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  454.50  (Adapted Stein & Brown method)
    Melting Pt (deg C):  191.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.84E-009  (Modified Grain method)
    Subcooled liquid VP: 3.8E-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):  1004
       log Kow used: 0.24 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6143.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.010E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6955
   Biowin2 (Non-Linear Model)     :   0.5991
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6288  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4557  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0878
   Biowin6 (MITI Non-Linear Model):   0.0271
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2256
 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):  5.07E-005 Pa (3.8E-007 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0592 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.681 
       Mackay model           :  0.826 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  39.0808 E-12 cm3/molecule-sec
      Half-Life =     0.274 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.284 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.754 (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]:
    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: 0.24 (estimated)

 Volatilization from Water:
    Henry LC:  2.01E-012 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 4.362E+008  hours   (1.817E+007 days)
    Half-Life from Model Lake : 4.758E+009  hours   (1.983E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       0.00011         6.57         1000       
   Water     45.3            900          1000       
   Soil      54.6            1.8e+003     1000       
   Sediment  0.0884          8.1e+003     0          
     Persistence Time: 988 hr

Click to predict properties on the Chemicalize site


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