ChemSpider 2D Image | 6-methyl-2-pyridinecarboxaldehyde semicarbazone | C8H10N4O

6-methyl-2-pyridinecarboxaldehyde semicarbazone

  • Molecular FormulaC8H10N4O
  • Average mass178.191 Da
  • Monoisotopic mass178.085464 Da
  • ChemSpider ID21375564

  • Double-bond stereo - Double-bond stereo

More details:

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

(2E)-2-[(6-Methyl-2-pyridinyl)methylen]hydrazincarboxamid [German] [ACD/IUPAC Name]
(2E)-2-[(6-Methyl-2-pyridinyl)methylene]hydrazinecarboxamide [ACD/IUPAC Name]
(2E)-2-[(6-Méthyl-2-pyridinyl)méthylène]hydrazinecarboxamide [French] [ACD/IUPAC Name]
6-methyl-2-pyridinecarboxaldehyde semicarbazone
Hydrazinecarboxamide, 2-[(6-methyl-2-pyridinyl)methylene]-, (2E)- [ACD/Index Name]
2-((6-Methylpyridin-2-yl)methylene)hydrazinecarboxamide
6-methyl-2-pyridinecarbaldehyde semicarbazone
90953-04-1 [RN]

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: 1.610
Molar Refractivity: 48.6±0.5 cm3
#H bond acceptors: 5
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.65
ACD/LogD (pH 5.5): 0.73
ACD/BCF (pH 5.5): 2.13
ACD/KOC (pH 5.5): 59.66
ACD/LogD (pH 7.4): 0.74
ACD/BCF (pH 7.4): 2.13
ACD/KOC (pH 7.4): 59.85
Polar Surface Area: 80 Å2
Polarizability: 19.3±0.5 10-24cm3
Surface Tension: 50.2±7.0 dyne/cm
Molar Volume: 140.1±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) =  0.40

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  343.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  127.55  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.8E-005  (Modified Grain method)
    Subcooled liquid VP: 0.00019 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):  5.141e+005
       log Kow used: 0.40 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9.7185e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.14E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.210E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.40  (KowWin est)
  Log Kaw used:  -11.332  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.732
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5628
   Biowin2 (Non-Linear Model)     :   0.3583
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5164  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5034  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2049
   Biowin6 (MITI Non-Linear Model):   0.1045
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8522
 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):  0.0253 Pa (0.00019 mm Hg)
  Log Koa (Koawin est  ): 11.732
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000118 
       Octanol/air (Koa) model:  0.132 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00426 
       Mackay model           :  0.00938 
       Octanol/air (Koa) model:  0.914 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   6.3676 E-12 cm3/molecule-sec
      Half-Life =     1.680 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    20.157 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00682 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  973
      Log Koc:  2.988 

 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: 0.40 (estimated)

 Volatilization from Water:
    Henry LC:  1.14E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 6.856E+009  hours   (2.857E+008 days)
    Half-Life from Model Lake : 7.479E+010  hours   (3.116E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  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       1.57e-006       40.3         1000       
   Water     44.8            900          1000       
   Soil      55.1            1.8e+003     1000       
   Sediment  0.0881          8.1e+003     0          
     Persistence Time: 995 hr

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