ChemSpider 2D Image | methyl-2-mercaptobenzIMIDAZOLE | C8H8N2S

methyl-2-mercaptobenzIMIDAZOLE

  • Molecular FormulaC8H8N2S
  • Average mass164.227 Da
  • Monoisotopic mass164.040817 Da
  • ChemSpider ID2298918

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

1,3-DIHYDRO-4-METHYL-2H-BENZIMIDAZOLE-2-THIONE
27231-33-0 [RN]
2H-Benzimidazole-2-thione, 1,3-dihydro-4-methyl- [ACD/Index Name]
4-METHYL-1,3-DIHYDRO-1,3-BENZODIAZOLE-2-THIONE
4-Methyl-1,3-dihydro-2H-benzimidazol-2-thion [German] [ACD/IUPAC Name]
4-Methyl-1,3-dihydro-2H-benzimidazole-2-thione [ACD/IUPAC Name]
4-Méthyl-1,3-dihydro-2H-benzimidazole-2-thione [French] [ACD/IUPAC Name]
4-Methyl-1H-benzo[d]imidazole-2(3H)-thione
4-methyl-2,3-dihydro-1H-1,3-benzodiazole-2-thione
53988-10-6 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD05722429 [DBID]
NSC 129263 [DBID]
NSC129263 [DBID]

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 344.1±35.0 °C at 760 mmHg
    Vapour Pressure: 0.0±0.8 mmHg at 25°C
    Enthalpy of Vaporization: 58.8±3.0 kJ/mol
    Flash Point: 161.9±25.9 °C
    Index of Refraction: 1.733
    Molar Refractivity: 49.6±0.3 cm3
    #H bond acceptors: 2
    #H bond donors: 1
    #Freely Rotating Bonds: 0
    #Rule of 5 Violations: 0
    ACD/LogP: 2.94
    ACD/LogD (pH 5.5): -0.05
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.97
    ACD/LogD (pH 7.4): -0.05
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.96
    Polar Surface Area: 67 Å2
    Polarizability: 19.7±0.5 10-24cm3
    Surface Tension: 64.2±3.0 dyne/cm
    Molar Volume: 124.0±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) =  2.00
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  348.88  (Adapted Stein & Brown method)
        Melting Pt (deg C):  126.58  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  1.36E-005  (Modified Grain method)
        Subcooled liquid VP: 0.00014 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):  1290
           log Kow used: 2.00 (estimated)
           no-melting pt equation used
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  1.075 mg/L
    
     ECOSAR Class Program (ECOSAR v0.99h):
        Class(es) found:
           Neutral Organics
    
     Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
       Bond Method :   2.41E-007  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  2.278E-009 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  2.00  (KowWin est)
      Log Kaw used:  -5.006  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  7.006
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :   0.9342
       Biowin2 (Non-Linear Model)     :   0.9810
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   2.7072  (weeks-months)
       Biowin4 (Primary Survey Model) :   3.7477  (days-weeks  )
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.4163
       Biowin6 (MITI Non-Linear Model):   0.3403
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model): -0.3899
     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):  0.0187 Pa (0.00014 mm Hg)
      Log Koa (Koawin est  ): 7.006
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  0.000161 
           Octanol/air (Koa) model:  2.49E-006 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  0.00577 
           Mackay model           :  0.0127 
           Octanol/air (Koa) model:  0.000199 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant = 182.5844 E-12 cm3/molecule-sec
          Half-Life =     0.059 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     0.703 Hrs
       Ozone Reaction:
          No Ozone Reaction Estimation
       Fraction sorbed to airborne particulates (phi): 0.00923 (Junge,Mackay)
        Note: the sorbed fraction may be resistant to atmospheric oxidation
    
     Soil Adsorption Coefficient (PCKOCWIN v1.66):
          Koc    :  35.39
          Log Koc:  1.549 
    
     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 = 0.838 (BCF = 6.879)
           log Kow used: 2.00 (estimated)
    
     Volatilization from Water:
        Henry LC:  2.41E-007 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River:       3115  hours   (129.8 days)
        Half-Life from Model Lake : 3.409E+004  hours   (1420 days)
    
     Removal In Wastewater Treatment:
        Total removal:               2.26  percent
        Total biodegradation:        0.10  percent
        Total sludge adsorption:     2.15  percent
        Total to Air:                0.01  percent
          (using 10000 hr Bio P,A,S)
    
     Level III Fugacity Model:
               Mass Amount    Half-Life    Emissions
                (percent)        (hr)       (kg/hr)
       Air       0.0849          1.41         1000       
       Water     31              900          1000       
       Soil      68.8            1.8e+003     1000       
       Sediment  0.119           8.1e+003     0          
         Persistence Time: 806 hr
    
    
    
    
                        

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