ChemSpider 2D Image | 5-Methyl-2-thiophenecarbohydrazide | C6H8N2OS

5-Methyl-2-thiophenecarbohydrazide

  • Molecular FormulaC6H8N2OS
  • Average mass156.206 Da
  • Monoisotopic mass156.035736 Da
  • ChemSpider ID2040832

More details:

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

126768-40-9 [RN]
2-Thiophenecarboxylic acid, 5-methyl-, hydrazide [ACD/Index Name]
5-Methyl-2-thiophencarbohydrazid [German] [ACD/IUPAC Name]
5-Methyl-2-thiophenecarbohydrazide [ACD/IUPAC Name]
5-Méthyl-2-thiophènecarbohydrazide [French] [ACD/IUPAC Name]
5-Methyl-2-thiophenecarboxylic acid hydrazide
5-methylthiophene-2-carbohydrazide
[126768-40-9] [RN]
2-methylthiophene-5-carbohydrazide
2-Thiophenecarboxylic acid, 5-methyl-, hydrazide (9CI)
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD01310833 [DBID]
ZINC02574342 [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:
    Vapour Pressure:
    Enthalpy of Vaporization:
    Flash Point:
    Index of Refraction: 1.600
    Molar Refractivity: 42.0±0.3 cm3
    #H bond acceptors: 3
    #H bond donors: 3
    #Freely Rotating Bonds: 1
    #Rule of 5 Violations: 0
    ACD/LogP: 0.31
    ACD/LogD (pH 5.5): 0.05
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 25.30
    ACD/LogD (pH 7.4): 0.05
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 25.38
    Polar Surface Area: 83 Å2
    Polarizability: 16.6±0.5 10-24cm3
    Surface Tension: 52.6±3.0 dyne/cm
    Molar Volume: 122.7±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) =  0.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  342.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  129.06  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.83E-005  (Modified Grain method)
    Subcooled liquid VP: 0.0002 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):  1.654e+004
       log Kow used: 0.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.55E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.274E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.74  (KowWin est)
  Log Kaw used:  -9.644  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.384
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7279
   Biowin2 (Non-Linear Model)     :   0.7970
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7791  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5538  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0676
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2735
 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):  0.0267 Pa (0.0002 mm Hg)
  Log Koa (Koawin est  ): 10.384
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000112 
       Octanol/air (Koa) model:  0.00594 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00405 
       Mackay model           :  0.00892 
       Octanol/air (Koa) model:  0.322 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  28.3155 E-12 cm3/molecule-sec
      Half-Life =     0.378 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.533 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00648 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  87.49
      Log Koc:  1.942 

 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: 0.74 (estimated)

 Volatilization from Water:
    Henry LC:  5.55E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.318E+008  hours   (5.494E+006 days)
    Half-Life from Model Lake : 1.438E+009  hours   (5.993E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       0.000127        9.06         1000       
   Water     36.3            360          1000       
   Soil      63.6            720          1000       
   Sediment  0.07            3.24e+003    0          
     Persistence Time: 597 hr

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