ChemSpider 2D Image | Tecastemizole | C19H21FN4

Tecastemizole

  • Molecular FormulaC19H21FN4
  • Average mass324.395 Da
  • Monoisotopic mass324.175018 Da
  • ChemSpider ID110208

More details:

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

1-(4-Fluorbenzyl)-N-(4-piperidinyl)-1H-benzimidazol-2-amin [German] [ACD/IUPAC Name]
1-(4-Fluorobenzyl)-N-(4-piperidinyl)-1H-benzimidazol-2-amine [ACD/IUPAC Name]
1-(4-Fluorobenzyl)-N-(4-pipéridinyl)-1H-benzimidazol-2-amine [French] [ACD/IUPAC Name]
1-(4-fluorobenzyl)-n-(piperidin-4-yl)-1h-benzimidazol-2-amine
1H-Benzimidazol-2-amine, 1-[(4-fluorophenyl)methyl]-N-4-piperidinyl- [ACD/Index Name]
75970-99-9 [RN]
norastemizole
Tecastemizole [USAN]
W5DCO14M05
[1-(4-Fluoro-benzyl)-1H-benzoimidazol-2-yl]-piperidin-4-yl-amine
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

8169 [DBID]
R-43512 [DBID]
nchembio806-comp3 [DBID]
R 43512 [DBID]
T 1348 [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: 519.8±60.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.4 mmHg at 25°C
    Enthalpy of Vaporization: 79.3±3.0 kJ/mol
    Flash Point: 268.2±32.9 °C
    Index of Refraction: 1.658
    Molar Refractivity: 92.9±0.5 cm3
    #H bond acceptors: 4
    #H bond donors: 2
    #Freely Rotating Bonds: 4
    #Rule of 5 Violations: 0
    ACD/LogP: 3.55
    ACD/LogD (pH 5.5): 0.01
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 1.00
    ACD/LogD (pH 7.4): 1.05
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 6.31
    Polar Surface Area: 42 Å2
    Polarizability: 36.8±0.5 10-24cm3
    Surface Tension: 47.6±7.0 dyne/cm
    Molar Volume: 252.2±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) =  4.16

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  502.53  (Adapted Stein & Brown method)
    Melting Pt (deg C):  213.78  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.32E-010  (Modified Grain method)
    Subcooled liquid VP: 2.37E-008 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):  25.05
       log Kow used: 4.16 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  390.11 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.33E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.953E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.16  (KowWin est)
  Log Kaw used:  -11.265  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.425
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.2968
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9648  (months      )
   Biowin4 (Primary Survey Model) :   3.3281  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2586
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4758
 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):  3.16E-006 Pa (2.37E-008 mm Hg)
  Log Koa (Koawin est  ): 15.425
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.949 
       Octanol/air (Koa) model:  653 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.972 
       Mackay model           :  0.987 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 318.3995 E-12 cm3/molecule-sec
      Half-Life =     0.034 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    24.187 Min
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.979 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.6E+005
      Log Koc:  5.556 

 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 = 2.505 (BCF = 319.9)
       log Kow used: 4.16 (estimated)

 Volatilization from Water:
    Henry LC:  1.33E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.929E+009  hours   (3.304E+008 days)
    Half-Life from Model Lake :  8.65E+010  hours   (3.604E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              37.86  percent
    Total biodegradation:        0.38  percent
    Total sludge adsorption:    37.48  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       3.28e-005       0.806        1000       
   Water     8.28            1.44e+003    1000       
   Soil      88.1            2.88e+003    1000       
   Sediment  3.66            1.3e+004     0          
     Persistence Time: 2.96e+003 hr

    Click to predict properties on the Chemicalize site


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