ChemSpider 2D Image | Midazolam | C18H13ClFN3

Midazolam

  • Molecular FormulaC18H13ClFN3
  • Average mass325.767 Da
  • Monoisotopic mass325.078217 Da
  • ChemSpider ID4047

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261-774-5 [EINECS]
4H-Imidazo(1,5-a)(1,4)benzodiazepine, 8-chloro-6-(2-fluorophenyl)-1-methyl-
4H-Imidazo[1,5-a][1,4]benzodiazepine, 8-chloro-6-(2-fluorophenyl)-1-methyl- [ACD/Index Name]
59467-70-8 [RN]
8-Chlor-6-(2-fluorphenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepin [German] [ACD/IUPAC Name]
8-Chloro-6-(2-fluorophenyl)-1-methyl-4H-imidazo[1,5-a][1,4]benzodiazepine [ACD/IUPAC Name]
8-Chloro-6-(2-fluorophényl)-1-méthyl-4H-imidazo[1,5-a][1,4]benzodiazépine [French] [ACD/IUPAC Name]
Dormicum [Trade name]
Midazolam [Wiki]
Midazolam Base
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

BRN 0625572 [DBID]
C07524 [DBID]
D00550 [DBID]
DEA No. 2884 [DBID]
nchembio747-comp32 [DBID]
UC429_SIGMA [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      2558 (estimated with error: 89) NIST Spectra mainlib_352157, replib_120388, replib_248238, replib_312930, replib_335062
      2620 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 59467708; Active phase: OV-1; Data type: Kovats RI; Authors: Schutz, H., Modern screening strategies in analytical toxicology with special regard to new benzodiazepines, Z. Rechtsmed., 100, 1988, 19-37.) NIST Spectra nist ri
      2580 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.2 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: 59467708; Active phase: Cross-Linked Methylsilicone; Carrier gas: He; Phase thickness: 0.33 um; Data type: Kovats RI; Authors: Maurer, H.; Pfleger, K., Identification and differentiation of benzodiazepines and their metabolites in urine by computerized gas chromatography-mass spectrometry, J. Chromatogr., 422, 1987, 85-101.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      2604.9 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 1.22 m; Column type: Packed; CAS no: 59467708; Active phase: OV-101; Carrier gas: Mixture; Substrate: Chromosorb WHP; Data type: Normal alkane RI; Authors: Miller, L.G.; Friedman, H.; Greenblatt, D.J., Measurement of clonazepam by electron-capture gas-liquid chromatography with application to single-dose pharmacokinetics, J. Anal. Toxicol., 11, 1987, 55-57.) NIST Spectra nist ri
      2594.1 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 320 C; End time: 5 min; Start time: 0.5 min; CAS no: 59467708; Active phase: BPX-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Song, S.M.; Marriott, P.; Wynne, P., Comprehensive two-dimensional gas chromatography-quadrupole mass spectrometric analysis of drugs, J. Chromatogr. A, 1058, 2004, 223-232.) NIST Spectra nist ri
      2599.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Description: 130 0C (0.6 min) ^ 25 0C/min -> 220 0C ^ 5 0C/min -> 290 0C (2 min); CAS no: 59467708; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.15 um; Data type: Normal alkane RI; Authors: Rasanen, I.; Ojanpera, I.; Vuori, E., Quantitative screening for benzodiazepines in blood by dual-column gas chromatography and comparison of the results with urine immunoassay, J. Anal. Toxicol., 24, 2000, 46-53.) NIST Spectra nist ri
      2593 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 120 C; End T: 320 C; End time: 1 min; Start time: 1 min; CAS no: 59467708; Active phase: HP-5; Phase thickness: 0.17 um; Data type: Normal alkane RI; Authors: Lillsunde, P.; Michelson, L.; Forsstrom, T.; Korte, T.; Schultz, E.; Ariniemi, K.; Portman, M.; Sihvonen, M.-L.; Seppala, T., Comprehensive drug screening in blood for detecting abused drugs or drugs potentially hazardous for traffic safety, Forensic Sci. Int., 77, 1996, 191-210.) NIST Spectra nist ri
      2608.3 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 12 m; Column type: Capillary; Heat rate: .5 K/min; Start T: 100 C; End T: 310 C; End time: 10 min; Start time: 2 min; CAS no: 59467708; Active phase: DB-5; Carrier gas: He; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Drummer, O.H.; Horomidis, S.; Kourtis, S.K.; Syrjanen, M.L.; Tippet, P., Capillary gas chromatographic drug screen for use in forensic toxicology, J. Anal. Toxicol., 18, 1994, 134-138.) NIST Spectra nist ri
      2589.1 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 2.5 K/min; Start T: 210 C; End T: 285 C; CAS no: 59467708; Active phase: Ultra-2; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: Gaillard, Y.; Gay-Montchamp, J.-P.; Ollagnier, M., Simultaneous screening and quantitation of alpidem, zolpidem, buspirone and benzodiazepines by dual-channel gas chromatography using electron-capture and nitrogen-phosphorus detection after solid-phase extraction, J. Chromatogr., 622, 1993, 197-208.) NIST Spectra nist ri
    • Retention Index (Linear):

      2559 (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: 59467708; 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: 59467708; 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
      2683.2 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: Multi-step temperature program; T(initial)=60C; T(final)=270C; CAS no: 59467708; Active phase: VF-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., 2008.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.4±0.1 g/cm3
Boiling Point: 496.9±55.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 76.5±3.0 kJ/mol
Flash Point: 254.3±31.5 °C
Index of Refraction: 1.671
Molar Refractivity: 89.7±0.5 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 3.93
ACD/LogD (pH 5.5): 2.80
ACD/BCF (pH 5.5): 58.05
ACD/KOC (pH 5.5): 439.87
ACD/LogD (pH 7.4): 3.35
ACD/BCF (pH 7.4): 206.57
ACD/KOC (pH 7.4): 1565.35
Polar Surface Area: 30 Å2
Polarizability: 35.5±0.5 10-24cm3
Surface Tension: 46.2±7.0 dyne/cm
Molar Volume: 239.8±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) =  4.33

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  474.43  (Adapted Stein & Brown method)
    Melting Pt (deg C):  200.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.12E-009  (Modified Grain method)
    MP  (exp database):  159 deg C
    Subcooled liquid VP: 1.21E-007 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):  0.1343
       log Kow used: 4.33 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.019946 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 :   2.80E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.634E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.33  (KowWin est)
  Log Kaw used:  -8.941  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.271
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.3453
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7909  (months      )
   Biowin4 (Primary Survey Model) :   3.1573  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1820
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.7087
 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):  1.61E-005 Pa (1.21E-007 mm Hg)
  Log Koa (Koawin est  ): 13.271
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.186 
       Octanol/air (Koa) model:  4.58 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.87 
       Mackay model           :  0.937 
       Octanol/air (Koa) model:  0.997 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 115.8175 E-12 cm3/molecule-sec
      Half-Life =     0.092 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.108 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.904 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.854E+005
      Log Koc:  5.586 

 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 = 2.635 (BCF = 431.8)
       log Kow used: 4.33 (estimated)

 Volatilization from Water:
    Henry LC:  2.8E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.774E+007  hours   (1.573E+006 days)
    Half-Life from Model Lake : 4.117E+008  hours   (1.716E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              46.89  percent
    Total biodegradation:        0.45  percent
    Total sludge adsorption:    46.44  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       0.000528        2.22         1000       
   Water     8.05            1.44e+003    1000       
   Soil      86.6            2.88e+003    1000       
   Sediment  5.34            1.3e+004     0          
     Persistence Time: 3e+003 hr




                    

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