ChemSpider 2D Image | methylimidazole | C4H6N2

methylimidazole

  • Molecular FormulaC4H6N2
  • Average mass82.104 Da
  • Monoisotopic mass82.053101 Da
  • ChemSpider ID1348

More details:



Featured data source



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

1,2-METHYLIMIDAZOLE
1H-Imidazole, 1-methyl- [ACD/Index Name]
1-Methyl-1H-imidazol [German] [ACD/IUPAC Name]
1-Methyl-1H-imidazole [ACD/IUPAC Name]
1-Méthyl-1H-imidazole [French] [ACD/IUPAC Name]
1-Methylimidazole
616-47-7 [RN]
methylimidazole
N-methylimidazole
[616-47-7]
More...

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

06849_FLUKA [DBID]
336092_ALDRICH [DBID]
67560_FLUKA [DBID]
EU-0100831 [DBID]
Lopac-M-8878 [DBID]
M50834_ALDRICH [DBID]
NCGC00015702-01 [DBID]
NSC 88064 [DBID]
NSC88064 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Stability:

      Stable, but moisture sensitive. Incompatible with acids, acid anhydrides, strong oxidizing agents,moisture, carbon dioxide, acid chlorides. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 1130 mg kg-1, SKN-RBT LD50 500 mg kg-1, ORL-MUS LD50 1400 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      1/2-26-36-45 Alfa Aesar A12575
      21/22-34 Alfa Aesar A12575
      26-36-45 Alfa Aesar A12575
      8 Alfa Aesar A12575
      Corrosive/Harmful/Hygroscopic/Store under Argon SynQuest 3H32-1-J5, 68317
      Danger Alfa Aesar A12575
      Danger Biosynth Q-200126
      DANGER: CORROSIVE, burns skin and eyes Alfa Aesar A12575
      DANGER: CORROSIVE, POISON, burns skin and eyes Alfa Aesar A12575
      GHS05; GHS07 Biosynth Q-200126
      H302; H312; H314 Biosynth Q-200126
      H314-H302-H312 Alfa Aesar A12575
      P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Alfa Aesar A12575
      P280; P305+P351+P338; P310 Biosynth Q-200126
      R22,R24,R34,R52/53 SynQuest 3H32-1-J5
      S23,S24/25,S26,S36/37/39,S45,S61 SynQuest 3H32-1-J5
      Safety glasses, adequate ventilation. Oxford University Chemical Safety Data (No longer updated) More details
  • Gas Chromatography
    • Retention Index (Kovats):

      715 (estimated with error: 83) NIST Spectra mainlib_230021, replib_466
      929 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 616477; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Zhuravleva, I.L., Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography, Russ. Chem. Bull. (Engl. Transl.), 49(2), 2000, 325-328., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.30 mm; Column length: 30 m; Column type: Capillary; Start T: 110 C; CAS no: 616477; Active phase: OV-101; Phase thickness: 0.20 um; Data type: Kovats RI; Authors: Golovnya, R.V.; Zhuravleva, I.L.; Sal'kova, M.A., Prediction of Retention Indexes of Alkylimadazoles Under Conditions of Capillary Gas Chromatography, J. Anal. Chem. USSR (Engl. Transl.), 47(7), 1992, 932-937, In original 1269-1275., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 110 C; CAS no: 616477; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Golovnya, R.V.; Kuz'menko, T.E.; Krikunova, N.I., The influence of alkyl substituents on the chromatographic indicator of self-association of N-containing heterocyclic compounds, Russ. Chem. Bull. (Engl. Transl.), 49(2), 2000, 321-324.) NIST Spectra nist ri
      1681 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.3 mm; Column length: 30 m; Column type: Capillary; Start T: 170 C; CAS no: 616477; Active phase: PEG-40M/KF; Phase thickness: 0.2 um; Data type: Kovats RI; Authors: Golovnya, R.V.; Zhuravleva, I.L.; Sal'kova, M.A., Prediction of Retention Indexes of Alkylimadazoles Under Conditions of Capillary Gas Chromatography, J. Anal. Chem. USSR (Engl. Transl.), 47(7), 1992, 932-937, In original 1269-1275.) NIST Spectra nist ri
    • Retention Index (Linear):

      1700 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column length: 3.05 m; Column type: Packed; Heat rate: 8 K/min; Start T: 40 C; End T: 200 C; End time: 60 min; Start time: 4 min; CAS no: 616477; Active phase: Carbowax 20M; Substrate: Supelcoport; Data type: Linear RI; Authors: Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 586, 1991, 85-112.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.0±0.1 g/cm3
Boiling Point: 198.7±9.0 °C at 760 mmHg
Vapour Pressure: 0.5±0.4 mmHg at 25°C
Enthalpy of Vaporization: 41.7±3.0 kJ/mol
Flash Point: 92.2±0.0 °C
Index of Refraction: 1.525
Molar Refractivity: 25.3±0.5 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.21
ACD/LogD (pH 5.5): -1.35
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -0.02
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 19.87
Polar Surface Area: 18 Å2
Polarizability: 10.0±0.5 10-24cm3
Surface Tension: 35.0±7.0 dyne/cm
Molar Volume: 82.4±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) =  0.61
    Log Kow (Exper. database match) =  -0.06
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  194.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  2.62  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.451  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -6 deg C
    BP  (exp database):  195.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.458e+005
       log Kow used: -0.06 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (20 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  77219 mg/L
    Wat Sol (Exper. database match) =  1000000.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.01E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.342E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.06  (exp database)
  Log Kaw used:  -2.485  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.425
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7085
   Biowin2 (Non-Linear Model)     :   0.8633
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0177  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7293  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4929
   Biowin6 (MITI Non-Linear Model):   0.6307
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4702
 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):  54.9 Pa (0.412 mm Hg)
  Log Koa (Koawin est  ): 2.425
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.46E-008 
       Octanol/air (Koa) model:  6.53E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.97E-006 
       Mackay model           :  4.37E-006 
       Octanol/air (Koa) model:  5.23E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  36.1360 E-12 cm3/molecule-sec
      Half-Life =     0.296 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.552 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.17E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.75
      Log Koc:  1.197 

 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: -0.06 (expkow database)

 Volatilization from Water:
    Henry LC:  8.01E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      7.548  hours
    Half-Life from Model Lake :      158.3  hours   (6.597 days)

 Removal In Wastewater Treatment:
    Total removal:               5.80  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.70  percent
    Total to Air:                4.02  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.12            7.1          1000       
   Water     50.7            360          1000       
   Soil      47.1            720          1000       
   Sediment  0.0934          3.24e+003    0          
     Persistence Time: 237 hr




                    

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