ChemSpider 2D Image | Difenidol | C21H27NO

Difenidol

  • Molecular FormulaC21H27NO
  • Average mass309.445 Da
  • Monoisotopic mass309.209259 Da
  • ChemSpider ID2947

More details:

Featured data source
The Merck Index Online

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

1,1-Diphenyl-4-(1-piperidinyl)-1-butanol [ACD/IUPAC Name]
1,1-Diphenyl-4-(1-piperidinyl)-1-butanol [German] [ACD/IUPAC Name]
1,1-Diphényl-4-(1-pipéridinyl)-1-butanol [French] [ACD/IUPAC Name]
1,1-Diphenyl-4-(piperidin-1-yl)butan-1-ol
1,1-Diphenyl-4-piperidino-1-butanol
19-11-4 [RN]
1-Piperidinebutanol, α,α-diphenyl- [ACD/Index Name]
1-Piperidinebutanol, α,α-diphenyl-
213-540-9 [EINECS]
a-(3-piperidinopropyl)benzhydrol
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

1433 [DBID]
NQO8R319LY [DBID]
BPBio1_000072 [DBID]
BRN 0265884 [DBID]
BSPBio_000064 [DBID]
C06961 [DBID]
D03858 [DBID]
HSDB 3316 [DBID]
K-478-A|SK&F-478-J|SK&F-478A|SK-478|Vontrol® [DBID]
NCGC00016624-01 [DBID]
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  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography

    • Retention Index (Kovats):

      2568 (estimated with error: 89) NIST Spectra mainlib_247917, replib_237138, replib_246840

    • Retention Index (Normal Alkane):

      2384 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 972021; Active phase: Polydimethyl siloxanes; Data type: Normal alkane RI; Authors: Schutz, H.; Wollrab A., The significance of the retention index in toxicologic analysis II, Pharmazie in unzerer Zeit, 17(4), 1988, 97-101., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Other; CAS no: 972021; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 220, 1981, 195-252.) NIST Spectra nist ri

    • Retention Index (Linear):

      2390 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 1.8 m; Column type: Packed; Heat rate: 8 K/min; Start T: 130 C; End T: 290 C; End time: 8 min; Start time: 2 min; CAS no: 972021; Active phase: SE-30; Carrier gas: N2; Substrate: Chromosorb W; Data type: Linear RI; Authors: Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 19, 1981, 219-226.) NIST Spectra nist ri

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

Density: 1.1±0.1 g/cm3
Boiling Point: 473.3±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 77.6±3.0 kJ/mol
Flash Point: 233.5±27.4 °C
Index of Refraction: 1.570
Molar Refractivity: 95.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 3.96
ACD/LogD (pH 5.5): 0.78
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 2.51
ACD/LogD (pH 7.4): 1.58
ACD/BCF (pH 7.4): 2.67
ACD/KOC (pH 7.4): 15.96
Polar Surface Area: 23 Å2
Polarizability: 37.7±0.5 10-24cm3
Surface Tension: 44.2±3.0 dyne/cm
Molar Volume: 290.3±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) =  4.71

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  419.87  (Adapted Stein & Brown method)
    Melting Pt (deg C):  155.82  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.03E-009  (Modified Grain method)
    MP  (exp database):  104.5 deg C
    Subcooled liquid VP: 4.81E-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):  10.41
       log Kow used: 4.71 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  25.444 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.10E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.141E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.71  (KowWin est)
  Log Kaw used:  -9.066  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.776
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4672
   Biowin2 (Non-Linear Model)     :   0.1501
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0924  (months      )
   Biowin4 (Primary Survey Model) :   2.9696  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1034
   Biowin6 (MITI Non-Linear Model):   0.0401
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6130
 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):  6.41E-006 Pa (4.81E-008 mm Hg)
  Log Koa (Koawin est  ): 13.776
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.468 
       Octanol/air (Koa) model:  14.7 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.944 
       Mackay model           :  0.974 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 116.8013 E-12 cm3/molecule-sec
      Half-Life =     0.092 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.099 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.959 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5.418E+004
      Log Koc:  4.734 

 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 = 2.929 (BCF = 848.4)
       log Kow used: 4.71 (estimated)

 Volatilization from Water:
    Henry LC:  2.1E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.905E+007  hours   (2.044E+006 days)
    Half-Life from Model Lake :  5.35E+008  hours   (2.229E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              66.44  percent
    Total biodegradation:        0.60  percent
    Total sludge adsorption:    65.84  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       0.000588        2.2          1000       
   Water     7.18            1.44e+003    1000       
   Soil      81.3            2.88e+003    1000       
   Sediment  11.5            1.3e+004     0          
     Persistence Time: 3.2e+003 hr

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