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ChemSpider 2D Image | 2,4-Dimethylpyrimidine | C6H8N2

2,4-Dimethylpyrimidine

  • Molecular FormulaC6H8N2
  • Average mass108.141 Da
  • Monoisotopic mass108.068748 Da
  • ChemSpider ID123238

More details:

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

14331-54-5 [RN]
2,4-Dimethylpyrimidin [German] [ACD/IUPAC Name]
2,4-dimethyl-pyrimidine
2,4-Dimethylpyrimidine [ACD/IUPAC Name]
2,4-Diméthylpyrimidine [French] [ACD/IUPAC Name]
Pyrimidine, 2,4-dimethyl- [ACD/Index Name]
"2,4-DIMETHYLPYRIMIDINE"
"PYRIMIDINE, 2,4-DIMETHYL-"
2,6-Dimethylpyrimidine
dimethylpyrimidine
More...

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

W1VY508B2G [DBID]
UNII:W1VY508B2G [DBID]

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

Density: 1.0±0.1 g/cm3
Boiling Point: 151.2±9.0 °C at 760 mmHg
Vapour Pressure: 4.7±0.3 mmHg at 25°C
Enthalpy of Vaporization: 37.2±3.0 kJ/mol
Flash Point: 36.7±5.1 °C
Index of Refraction: 1.504
Molar Refractivity: 32.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.41
ACD/LogD (pH 5.5): 0.51
ACD/BCF (pH 5.5): 1.45
ACD/KOC (pH 5.5): 45.35
ACD/LogD (pH 7.4): 0.51
ACD/BCF (pH 7.4): 1.45
ACD/KOC (pH 7.4): 45.41
Polar Surface Area: 26 Å2
Polarizability: 12.7±0.5 10-24cm3
Surface Tension: 38.9±3.0 dyne/cm
Molar Volume: 108.4±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) =  1.03

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  168.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  25.52  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.92  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -4 deg C
    BP  (exp database):  150.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.442e+004
       log Kow used: 1.03 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  65250 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.55E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.868E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.03  (KowWin est)
  Log Kaw used:  -3.838  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.868
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8054
   Biowin2 (Non-Linear Model)     :   0.9326
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8105  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5547  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4898
   Biowin6 (MITI Non-Linear Model):   0.5642
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0983
 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):  477 Pa (3.58 mm Hg)
  Log Koa (Koawin est  ): 4.868
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.28E-009 
       Octanol/air (Koa) model:  1.81E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.27E-007 
       Mackay model           :  5.03E-007 
       Octanol/air (Koa) model:  1.45E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.8395 E-12 cm3/molecule-sec
      Half-Life =     5.815 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    69.775 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.65E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  47.05
      Log Koc:  1.673 

 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 = 0.097 (BCF = 1.25)
       log Kow used: 1.03 (estimated)

 Volatilization from Water:
    Henry LC:  3.55E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      172.6  hours   (7.19 days)
    Half-Life from Model Lake :       1970  hours   (82.07 days)

 Removal In Wastewater Treatment:
    Total removal:               2.09  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.79  percent
    Total to Air:                0.20  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.96            140          1000       
   Water     41.4            360          1000       
   Soil      52.5            720          1000       
   Sediment  0.0835          3.24e+003    0          
     Persistence Time: 383 hr

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