ChemSpider 2D Image | Methyl-isobutylxanthine | C10H14N4O2

Methyl-isobutylxanthine

  • Molecular FormulaC10H14N4O2
  • Average mass222.244 Da
  • Monoisotopic mass222.111679 Da
  • ChemSpider ID10718087

More details:

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

1-(3-Methyl-2-butanyl)-3,7-dihydro-1H-purin-2,6-dion [German] [ACD/IUPAC Name]
1-(3-Methyl-2-butanyl)-3,7-dihydro-1H-purine-2,6-dione [ACD/IUPAC Name]
1-(3-Méthyl-2-butanyl)-3,7-dihydro-1H-purine-2,6-dione [French] [ACD/IUPAC Name]
1H-Purine-2,6-dione, 1-(1,2-dimethylpropyl)-3,7-dihydro- [ACD/Index Name]
Methyl-isobutylxanthine
1-methyl isobutyl xanthine

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

Density: 1.3±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.567
Molar Refractivity: 56.6±0.3 cm3
#H bond acceptors: 6
#H bond donors: 2
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.23
ACD/LogD (pH 5.5): 0.67
ACD/BCF (pH 5.5): 1.89
ACD/KOC (pH 5.5): 54.85
ACD/LogD (pH 7.4): 0.63
ACD/BCF (pH 7.4): 1.74
ACD/KOC (pH 7.4): 50.37
Polar Surface Area: 78 Å2
Polarizability: 22.4±0.5 10-24cm3
Surface Tension: 54.2±3.0 dyne/cm
Molar Volume: 173.4±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) =  0.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  512.12  (Adapted Stein & Brown method)
    Melting Pt (deg C):  218.26  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.17E-010  (Modified Grain method)
    Subcooled liquid VP: 1.35E-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):  5943
       log Kow used: 0.88 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1134.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.54E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.757E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.88  (KowWin est)
  Log Kaw used:  -10.984  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.864
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6417
   Biowin2 (Non-Linear Model)     :   0.4633
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7080  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5271  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0409
   Biowin6 (MITI Non-Linear Model):   0.0196
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1702
 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):  1.8E-006 Pa (1.35E-008 mm Hg)
  Log Koa (Koawin est  ): 11.864
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.67 
       Octanol/air (Koa) model:  0.179 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.984 
       Mackay model           :  0.993 
       Octanol/air (Koa) model:  0.935 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  67.4368 E-12 cm3/molecule-sec
      Half-Life =     0.159 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.903 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.988 (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: 0.88 (estimated)

 Volatilization from Water:
    Henry LC:  2.54E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.436E+009  hours   (1.432E+008 days)
    Half-Life from Model Lake : 3.749E+010  hours   (1.562E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               1.88  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       0.000318        3.81         1000       
   Water     41.9            900          1000       
   Soil      58              1.8e+003     1000       
   Sediment  0.0864          8.1e+003     0          
     Persistence Time: 1.04e+003 hr

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