ChemSpider 2D Image | Temazepam | C16H13ClN2O2

Temazepam

  • Molecular FormulaC16H13ClN2O2
  • Average mass300.740 Da
  • Monoisotopic mass300.066559 Da
  • ChemSpider ID5198

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Featured data source



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

200-659-6 [EINECS]
212-688-1 [EINECS]
2H-1,4-Benzodiazepin-2-one, 7-chloro-1,3-dihydro-3-hydroxy-1-methyl-5-phenyl- [ACD/Index Name]
3-Hydroxydiazepam
7-Chlor-3-hydroxy-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-on [German] [ACD/IUPAC Name]
7-Chloro-3-hydroxy-1-methyl-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one [ACD/IUPAC Name]
7-Chloro-3-hydroxy-1-méthyl-5-phényl-1,3-dihydro-2H-1,4-benzodiazépin-2-one [French] [ACD/IUPAC Name]
846-50-4 [RN]
CHB1QD2QSS
DF1225000
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

2753 [DBID]
K 3917 [DBID]
3TEB7I2MGE [DBID]
6RN9OF39Y6 [DBID]
BRN 0759300 [DBID]
CCRIS 1954 [DBID]
D00370 [DBID]
DEA No. 2925 [DBID]
DivK1c_000989 [DBID]
ER 115 [DBID]
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  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Toxicity:

      Organic Compound; Organochloride; Amine; Amide; Drug; Adjuvant, Anesthesia; Anti-Anxiety Agent; Benzodiazepine; GABA Modulator; Hypnotic and Sedative; Metabolite; Synthetic Compound Toxin, Toxin-Target Database T3D2719
    • Safety:

      N05CD07 Wikidata Q414796
  • Gas Chromatography
    • Retention Index (Kovats):

      2658 (estimated with error: 89) NIST Spectra mainlib_248966, replib_125811, replib_312587, replib_335371, replib_247870
      2589 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Start T: 250 C; CAS no: 846504; Active phase: DB-1; Carrier gas: N2; Phase thickness: 1.5 um; Data type: Kovats RI; Authors: Japp, M.; Garthwaite, K.; Geeson, A.V.; Osselton, M.D., Collection of Analytical Data for Benzodiazepines and Benzophenones, J. Chromatogr., 439, 1988, 317-339., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 250 C; CAS no: 846504; Active phase: SE-30; Data type: Kovats RI; Authors: Dimov, N.; Moskovkina, M., New aspects of quantitative structure-retention relationships in chromatography, J. Chromatogr., 552, 1991, 59-69.) NIST Spectra nist ri
      2613 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Start T: 250 C; CAS no: 846504; Active phase: BP-1; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Japp, M.; Garthwaite, K.; Geeson, A.V.; Osselton, M.D., Collection of Analytical Data for Benzodiazepines and Benzophenones, J. Chromatogr., 439, 1988, 317-339.) NIST Spectra nist ri
      2588 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 240 C; CAS no: 846504; Active phase: SE-30; Carrier gas: N2; Substrate: 1% se-30 on Anachrom ABS(80-100mesh); Data type: Kovats RI; Authors: Musumarra, G.; Scarlata, G.; Romano, G.; Cappello, G.; Clementi, S.; Giulietti, G., Qualitative organic analysis. Part 2. Identification of drugs by principal components analysis of standardized TLC data in four eluent systems and of retention indices on SE 30, J. Anal. Toxicol., 11, 1987, 154-163.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      2633 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; End T: 300 C; CAS no: 846504; Active phase: SE-30; Carrier gas: Nitrogen; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Normal alkane RI; Authors: MHA, Directorate of ForensicScience., Forensic Toxicology, 9999.) NIST Spectra nist ri
      2590 (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: 846504; 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
      2595 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Other; CAS no: 846504; 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
      2597.9 (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: 846504; 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
      2595.7 (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: 10 K/min; Start T: 50 C; End T: 320 C; Start time: 1 min; CAS no: 846504; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tienpont, B.; David, F.; Stopforth, A.; Sandra, P., Comprehensive Profiling of Drugs of Abuse in Biological Fluids by Stir-Bar Sorptive Extraction-Thermal Desorption-Capillary Gas Chromatography-Mass Spectrometry, LCGC Europe, , 2003, 2-10.) NIST Spectra nist ri
      2595.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 15 m; Column type: Capillary; Description: 70 0C (0.7 min) ^ 20 0C/min -> 140 0C ^ 10 0C/min -> 290 0C (9.5 min); CAS no: 846504; 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
      2597.1 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 70 0C (0.7 min) ^ 20 0C/min -> 140 0C ^ 10 0C/min -> 280 0C (4 min); CAS no: 846504; Active phase: NB-54; Carrier gas: He; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Ojanpera, I.; Rasanen, I.; Vuori, E., Automated quantitative screening for acidic and neutral drugs in whole blood by dual-column capillary gas chromatography, J. Anal. Toxicol., 15, 1991, 204-208.) NIST Spectra nist ri
      2613 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 150 C; End T: 260 C; Start time: 1 min; CAS no: 846504; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Zamechnik, J.; Ethier, J.-C.; Neville, G.A., Benzodiazepines- an extensive collection of mass spectra, J. Can. Soc. Forensic Sci., 22(3), 1989, 233-259.) NIST Spectra nist ri
      2603.7 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 12.5 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 110 C; End T: 290 C; End time: 6.5 min; Start time: 1 min; CAS no: 846504; Active phase: Ultra-2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Watts, V.W.; Simonick, T.F., A retention index library for commonly encountered drugs and metabolites using tri-n-alkylamines as reference compounds, nitrogen-phosphorus detectors, and dual capillary chromatography, J. Anal. Toxicol., 11, 1987, 210-214.) NIST Spectra nist ri
    • Retention Index (Linear):

      2600 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.75 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 160 C; End T: 280 C; End time: 12 min; CAS no: 846504; Active phase: SPB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Linear RI; Authors: Christ, D.W.; Noomano, P.; Rosas, M.; Rhone, D., Retention indices by wide-bore capillary gas chromatography with nitrogen-phosphorus detection, J. Anal. Toxicol., 12, 1988, 84-88.) NIST Spectra nist ri
      2554 (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: 846504; 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: 846504; 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
      2575 (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: 846504; 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: 1.3±0.1 g/cm3
Boiling Point: 549.9±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.6 mmHg at 25°C
Enthalpy of Vaporization: 87.3±3.0 kJ/mol
Flash Point: 286.4±30.1 °C
Index of Refraction: 1.654
Molar Refractivity: 81.8±0.5 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.15
ACD/LogD (pH 5.5): 2.11
ACD/BCF (pH 5.5): 23.76
ACD/KOC (pH 5.5): 336.03
ACD/LogD (pH 7.4): 2.11
ACD/BCF (pH 7.4): 23.76
ACD/KOC (pH 7.4): 336.08
Polar Surface Area: 53 Å2
Polarizability: 32.4±0.5 10-24cm3
Surface Tension: 50.3±7.0 dyne/cm
Molar Volume: 223.2±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) =  2.15
    Log Kow (Exper. database match) =  2.19
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  470.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  198.89  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.7E-010  (Modified Grain method)
    MP  (exp database):  119-121 deg C
    Subcooled liquid VP: 1.45E-009 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):  163.9
       log Kow used: 2.19 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  156.23 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.13E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.105E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.19  (exp database)
  Log Kaw used:  -6.335  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.525
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9189
   Biowin2 (Non-Linear Model)     :   0.9114
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4557  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5883  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1900
   Biowin6 (MITI Non-Linear Model):   0.0257
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5867
 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):  1.93E-007 Pa (1.45E-009 mm Hg)
  Log Koa (Koawin est  ): 8.525
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  15.5 
       Octanol/air (Koa) model:  8.22E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  0.00653 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  14.4350 E-12 cm3/molecule-sec
      Half-Life =     0.741 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.892 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  561
      Log Koc:  2.749 

 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 = 0.986 (BCF = 9.689)
       log Kow used: 2.19 (expkow database)

 Volatilization from Water:
    Henry LC:  1.13E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 8.986E+004  hours   (3744 days)
    Half-Life from Model Lake : 9.804E+005  hours   (4.085E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               2.46  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.37  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       0.371           17.8         1000       
   Water     23.3            900          1000       
   Soil      76.2            1.8e+003     1000       
   Sediment  0.115           8.1e+003     0          
     Persistence Time: 1.13e+003 hr




                    

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