ChemSpider 2D Image | 1,3-dimethylthymine | C7H10N2O2

1,3-dimethylthymine

  • Molecular FormulaC7H10N2O2
  • Average mass154.167 Da
  • Monoisotopic mass154.074234 Da
  • ChemSpider ID70489

More details:

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

1,3,5-Trimethyl-2,4(1H,3H)-pyrimidindion [German] [ACD/IUPAC Name]
1,3,5-Trimethyl-2,4(1H,3H)-pyrimidinedione [ACD/IUPAC Name]
1,3,5-Triméthyl-2,4(1H,3H)-pyrimidinedione [French] [ACD/IUPAC Name]
1,3,5-Trimethylpyrimidine-2,4(1H,3H)-dione
1,3-dimethylthymine
2,4(1H,3H)-Pyrimidinedione, 1,3,5-trimethyl- [ACD/Index Name]
4401-71-2 [RN]
Uracil, 1,3,5-trimethyl-
1,3,5-trimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione
1,3,5-trimethyl-1,3-dihydropyrimidine-2,4-dione
More...

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

Density: 1.2±0.1 g/cm3
Boiling Point: 222.1±23.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.9±3.0 kJ/mol
Flash Point: 87.8±15.0 °C
Index of Refraction: 1.508
Molar Refractivity: 39.6±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.99
ACD/LogD (pH 5.5): 0.41
ACD/BCF (pH 5.5): 1.21
ACD/KOC (pH 5.5): 39.82
ACD/LogD (pH 7.4): 0.41
ACD/BCF (pH 7.4): 1.21
ACD/KOC (pH 7.4): 39.82
Polar Surface Area: 41 Å2
Polarizability: 15.7±0.5 10-24cm3
Surface Tension: 37.0±3.0 dyne/cm
Molar Volume: 132.8±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) =  0.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  335.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  121.41  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.23E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000293 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):  2911
       log Kow used: 0.10 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1259.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.55E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.251E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.10  (KowWin est)
  Log Kaw used:  -7.572  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.672
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6741
   Biowin2 (Non-Linear Model)     :   0.6941
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8585  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6253  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2609
   Biowin6 (MITI Non-Linear Model):   0.1373
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5238
 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):  0.0391 Pa (0.000293 mm Hg)
  Log Koa (Koawin est  ): 7.672
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.68E-005 
       Octanol/air (Koa) model:  1.15E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00277 
       Mackay model           :  0.00611 
       Octanol/air (Koa) model:  0.000922 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.5002 E-12 cm3/molecule-sec
      Half-Life =     0.497 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.970 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 0.00444 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  13.27
      Log Koc:  1.123 

 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: 0.10 (estimated)

 Volatilization from Water:
    Henry LC:  6.55E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  1.11E+006  hours   (4.624E+004 days)
    Half-Life from Model Lake : 1.211E+007  hours   (5.045E+005 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       0.0151          7.99         1000       
   Water     38.5            360          1000       
   Soil      61.4            720          1000       
   Sediment  0.0712          3.24e+003    0          
     Persistence Time: 578 hr

Click to predict properties on the Chemicalize site


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