ChemSpider 2D Image | Meclizine | C25H27ClN2

Meclizine

  • Molecular FormulaC25H27ClN2
  • Average mass390.948 Da
  • Monoisotopic mass390.186279 Da
  • ChemSpider ID3894

More details:

Featured data source
The Merck Index Online

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

(-)-1-[(4-Chlorophenyl)phenylmethyl]-4-[(3-methylphenyl)methyl]piperazine
(±)-Meclizine
1-((4-Chlorophenyl)(phenyl)methyl)-4-(3-methylbenzyl)piperazine
1-(p-Chloro-a-phenylbenzyl)-4-(m-methylbenzyl)piperazine
1-(p-Chlorobenzhydryl)-4-(m-methylbenzyl)piperazine
1-(p-Chloro-α-phenylbenzyl)-4-(m-methylbenzyl)piperazine
1-[(4-ChIorophenyl)phenylmethyl]-4-[(3-methylphenyl)methyl]piperazine
1-[(4-Chlorophenyl)(phenyl)methyl]-4-(3-methylbenzyl)piperazine [ACD/IUPAC Name]
1-[(4-Chlorophényl)(phényl)méthyl]-4-(3-méthylbenzyl)pipérazine [French] [ACD/IUPAC Name]
1-[(4-chlorophenyl)(phenyl)methyl]-4-[(3-methylphenyl)methyl]piperazine
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

204 [DBID]
3L5TQ84570 [DBID]
UNII:3L5TQ84570 [DBID]
BRN 0332002 [DBID]
C07116 [DBID]
DivK1c_000407 [DBID]
EY5P458μ3 [DBID]
HSDB 3113 [DBID]
KBio1_000407 [DBID]
KBio2_001371 [DBID]
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  • Miscellaneous

    • Toxicity:

      Organic Compound; Organochloride; Amine; Drug; Antiemetic; Anti-Allergic Agent; Histamine H1 Antagonist; Histamine Antagonist; Metabolite; Synthetic Compound Toxin, Toxin-Target Database T3D2874

    • Safety:

      R06AE05 Wikidata Q386441
  • Gas Chromatography

    • Retention Index (Kovats):

      3194 (estimated with error: 89) NIST Spectra mainlib_335334, replib_74599, replib_247084, replib_247693
      3040 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 250 C; CAS no: 569653; Active phase: SPB-1; Carrier gas: He; Data type: Kovats RI; Authors: Lora-Tamayo, C.; Rams, M.A.; Chacon, J.M.R., Gas Chromatographic Data for 187 Nitrogen- or Phosphorus-Containing Drugs and Metabolites of Toxicological Interest Analysed on Methyl Silicone Capillary Columns, J. Chromatogr., 374, 1986, 73-85.) NIST Spectra nist ri
      3034 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.49 mm; Column length: 25 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 100 C; End T: 275 C; End time: 15 min; Start time: 2 min; CAS no: 569653; Active phase: SE-30; Phase thickness: 1.14 um; Data type: Kovats RI; Authors: Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices, J. Forensic Sci., 27(1), 1982, 49-60.) NIST Spectra nist ri
      3030 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; CAS no: 569653; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W; Data type: Kovats RI; Authors: McLinden, V.J.; Stenhouse, A.M., A chromatography system for drug identification, Forensic Sci. Int., 13, 1979, 71-79.) NIST Spectra nist ri
      3050 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; CAS no: 569653; Active phase: SE-30; Data type: Kovats RI; Authors: Moffat, A.C.; Stead, A.H.; Smalldon, K.W., Optimum use of paper, thin-layer and gas-liquid chromatography for the identification of basic drugs. III. Gas-liquid chromatography, J. Chromatogr., 90, 1974, 19-33.) NIST Spectra nist ri

    • Retention Index (Normal Alkane):

      3040 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 12 m; Column type: Capillary; Heat rate: 30 K/min; Start T: 100 C; End T: 310 C; End time: 5 min; Start time: 3 min; CAS no: 569653; Active phase: HP-1; Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Maurer, H.; Pfleger, K., Toxicological detection of ethylenediamine and piperazine antihistamines and their metabolites in urine by computerized gas chromatography-mass spectrometry, Fresenius Z. Anal. Chem., 331, 1988, 744-756.) NIST Spectra nist ri
      3035 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 5 K/min; Start T: 150 C; End T: 300 C; CAS no: 569653; Active phase: SE-30; Substrate: Gas Chrom P; Data type: Normal alkane RI; Authors: Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F., Use of the retention index in gas chromatographic studies of drugs, J. Anal. Toxicol., 6, 1982, 185-192.) NIST Spectra nist ri
      3033 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Other; CAS no: 569653; 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
      3050 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 569653; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Pearson, E.F.; Brown, C., The development and applications of the computer system of the Home Office Central Research Establishment, Instrument Applications in Forensic Drug Chemistry, Proceedings of the International Symposium, May 29-30, 1978, 1978, 299.) NIST Spectra nist ri
      3037.7 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Description: 70 0C (0.7 min) ^ 20 0C/min -> 140 0C ^ 10 0C/min -> 290 0C (9.5 min); CAS no: 569653; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Rasanen, I.; Ojanpera, I.; Vartiovaara, J.; Vuori, E.; Sunila, P., The advantage of dual-column approach and retention indices combined with refined reporting in gas chromatographic drug screening, J. Hi. Res. Chromatogr., 19, 1996, 313-321.) NIST Spectra nist ri

    • Retention Index (Linear):

      3030 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; End time: 5 min; CAS no: 569653; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Perrigo, B.J.; Ballantyne, D.J.; Peel, H.W., Condierations in developing a data base for drugs on a DBI capillary column, J. Can. Soc. Forensic Sci., 17(2), 1984, 41-49., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; End time: 5 min; CAS no: 569653; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Perrigo, B.J.; Peel, H.W.; Ballantyne, D.J., Use of Dual-Column Fused-Silica Capillary Gas Chromatography in Combination with Detector Response Factors for Analytical Toxicology., J. Chromatogr., 341, 1985, 81-88.) NIST Spectra nist ri
      3000 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 100 C; End T: 295 C; CAS no: 569653; Active phase: SE-30; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Anderson, W.H.; Stafford, D.T., Applications of capillary gas chromatography in routine toxicological analyses, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 6, 1983, 247-254.) NIST Spectra nist ri
      3040 (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: 569653; 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: 1.2±0.1 g/cm3
Boiling Point: 495.3±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 76.3±3.0 kJ/mol
Flash Point: 253.3±27.3 °C
Index of Refraction: 1.617
Molar Refractivity: 118.0±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 4.99
ACD/LogD (pH 5.5): 3.42
ACD/BCF (pH 5.5): 110.98
ACD/KOC (pH 5.5): 418.93
ACD/LogD (pH 7.4): 4.66
ACD/BCF (pH 7.4): 1947.63
ACD/KOC (pH 7.4): 7352.21
Polar Surface Area: 6 Å2
Polarizability: 46.8±0.5 10-24cm3
Surface Tension: 48.1±3.0 dyne/cm
Molar Volume: 337.2±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) =  5.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  483.38  (Adapted Stein & Brown method)
    Melting Pt (deg C):  204.83  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000922  (Modified Grain method)
    BP  (exp database):  230 deg C
    Subcooled liquid VP: 0.0737 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):  0.3477
       log Kow used: 5.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.32065 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.56E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.364E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.87  (KowWin est)
  Log Kaw used:  -9.729  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.599
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1512
   Biowin2 (Non-Linear Model)     :   0.0013
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5662  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.4787  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.4527
   Biowin6 (MITI Non-Linear Model):   0.0004
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -3.5644
 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):  9.83 Pa (0.0737 mm Hg)
  Log Koa (Koawin est  ): 15.599
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.05E-007 
       Octanol/air (Koa) model:  975 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.1E-005 
       Mackay model           :  2.44E-005 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 220.5254 E-12 cm3/molecule-sec
      Half-Life =     0.049 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.582 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.77E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.431E+007
      Log Koc:  7.156 

 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 = 3.816 (BCF = 6548)
       log Kow used: 5.87 (estimated)

 Volatilization from Water:
    Henry LC:  4.56E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.539E+008  hours   (1.058E+007 days)
    Half-Life from Model Lake :  2.77E+009  hours   (1.154E+008 days)

 Removal In Wastewater Treatment:
    Total removal:              91.51  percent
    Total biodegradation:        0.76  percent
    Total sludge adsorption:    90.75  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       4.96e-006       1.16         1000       
   Water     1.36            4.32e+003    1000       
   Soil      62.8            8.64e+003    1000       
   Sediment  35.8            3.89e+004    0          
     Persistence Time: 1.25e+004 hr

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