ChemSpider 2D Image | 5-Methyl-2,4-pyrimidinediamine | C5H8N4

5-Methyl-2,4-pyrimidinediamine

  • Molecular FormulaC5H8N4
  • Average mass124.144 Da
  • Monoisotopic mass124.074898 Da
  • ChemSpider ID58758

More details:

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

2,4-Pyrimidinediamine, 5-methyl- [ACD/Index Name]
5-Methyl-2,4-pyrimidindiamin [German] [ACD/IUPAC Name]
5-Methyl-2,4-pyrimidinediamine [ACD/IUPAC Name]
5-Méthyl-2,4-pyrimidinediamine [French] [ACD/IUPAC Name]
5-Methylpyrimidine-2,4-diamine
16462-27-4 [RN]
18588-37-9 [RN]
2,4-diamino-5-methylpyrimidine
2,4-Diaminopyrimidine-5-carbonitrile
2,4-Pyrimidinediamine, 5-methyl- (9CI)
More...

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

Density: 1.3±0.1 g/cm3
Boiling Point: 385.3±34.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 63.4±3.0 kJ/mol
Flash Point: 215.1±12.9 °C
Index of Refraction: 1.661
Molar Refractivity: 35.7±0.3 cm3
#H bond acceptors: 4
#H bond donors: 4
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.18
ACD/LogD (pH 5.5): -1.75
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -0.25
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 12.90
Polar Surface Area: 78 Å2
Polarizability: 14.2±0.5 10-24cm3
Surface Tension: 75.3±3.0 dyne/cm
Molar Volume: 96.7±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) =  -0.49

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  285.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  98.24  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00082  (Modified Grain method)
    Subcooled liquid VP: 0.00422 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):  2.538e+005
       log Kow used: -0.49 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.912e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Anilines (amino-meta)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.43E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.278E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.49  (KowWin est)
  Log Kaw used:  -7.233  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.743
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2756
   Biowin2 (Non-Linear Model)     :   0.1201
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5801  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3833  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0771
   Biowin6 (MITI Non-Linear Model):   0.0438
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1868
 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):  0.563 Pa (0.00422 mm Hg)
  Log Koa (Koawin est  ): 6.743
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.33E-006 
       Octanol/air (Koa) model:  1.36E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000193 
       Mackay model           :  0.000426 
       Octanol/air (Koa) model:  0.000109 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.7476 E-12 cm3/molecule-sec
      Half-Life =     6.120 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    73.443 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000309 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  13
      Log Koc:  1.114 

 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: -0.49 (estimated)

 Volatilization from Water:
    Henry LC:  1.43E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.562E+005  hours   (1.901E+004 days)
    Half-Life from Model Lake : 4.977E+006  hours   (2.074E+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       0.02            147          1000       
   Water     46.3            900          1000       
   Soil      53.6            1.8e+003     1000       
   Sediment  0.0891          8.1e+003     0          
     Persistence Time: 972 hr

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