ChemSpider 2D Image | nimetazepam | C16H13N3O3

nimetazepam

  • Molecular FormulaC16H13N3O3
  • Average mass295.293 Da
  • Monoisotopic mass295.095703 Da
  • ChemSpider ID4340

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

1-Methyl-7-nitro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-on [German] [ACD/IUPAC Name]
1-Methyl-7-nitro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one [ACD/IUPAC Name]
1-Méthyl-7-nitro-5-phényl-1,3-dihydro-2H-1,4-benzodiazépin-2-one [French] [ACD/IUPAC Name]
2011-67-8 [RN]
217-931-5 [EINECS]
2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-1-methyl-7-nitro-5-phenyl- [ACD/Index Name]
3150
4532264KW6
nimetazepam [INN] [Wiki]
nimetazepam [Spanish] [INN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

BRN 0759813 [DBID]
D01593 [DBID]
DEA No. 2837 [DBID]
S 1530 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Chemical Class:

      A nitrazepam which is substituted at positions 1 by a methyl groups. It is used as an anticonvulsant and as a hypnotic for the short-term management of insomnia. ChEBI CHEBI:31912
  • Gas Chromatography
    • Retention Index (Kovats):

      2686 (estimated with error: 83) NIST Spectra mainlib_248244, replib_248209, replib_335290
      2662 (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: 2011678; 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: 2011678; 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
      2693 (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: 2011678; 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
    • Retention Index (Normal Alkane):

      2693 (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: 2011678; 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
    • Retention Index (Linear):

      2662 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 12 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 120 C; End T: 250 C; CAS no: 2011678; Active phase: CBP-1; Carrier gas: N2; Data type: Linear RI; Authors: Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K., Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices, Eisei Kagaku, 33(5), 1987, 342-348.) NIST Spectra nist ri
      2640 (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: 2011678; 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

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

Density: 1.3±0.1 g/cm3
Boiling Point: 540.5±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 81.8±3.0 kJ/mol
Flash Point: 280.7±30.1 °C
Index of Refraction: 1.660
Molar Refractivity: 82.0±0.5 cm3
#H bond acceptors: 6
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.58
ACD/LogD (pH 5.5): 2.05
ACD/BCF (pH 5.5): 21.41
ACD/KOC (pH 5.5): 311.54
ACD/LogD (pH 7.4): 2.06
ACD/BCF (pH 7.4): 21.52
ACD/KOC (pH 7.4): 313.04
Polar Surface Area: 78 Å2
Polarizability: 32.5±0.5 10-24cm3
Surface Tension: 55.3±7.0 dyne/cm
Molar Volume: 221.9±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) =  2.27
    Log Kow (Exper. database match) =  2.16
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  471.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  199.20  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.54E-009  (Modified Grain method)
    MP  (exp database):  156.5-7.5 deg C
    Subcooled liquid VP: 1.45E-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):  76.18
       log Kow used: 2.16 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.9799 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.94E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.336E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.16  (exp database)
  Log Kaw used:  -9.101  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.261
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6402
   Biowin2 (Non-Linear Model)     :   0.6894
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3448  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5236  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1415
   Biowin6 (MITI Non-Linear Model):   0.0018
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.6907
 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-005 Pa (1.45E-007 mm Hg)
  Log Koa (Koawin est  ): 11.261
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.155 
       Octanol/air (Koa) model:  0.0448 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.849 
       Mackay model           :  0.925 
       Octanol/air (Koa) model:  0.782 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   7.4155 E-12 cm3/molecule-sec
      Half-Life =     1.442 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    17.309 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.887 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7988
      Log Koc:  3.902 

 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 = 0.963 (BCF = 9.188)
       log Kow used: 2.16 (expkow database)

 Volatilization from Water:
    Henry LC:  1.94E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.186E+007  hours   (2.161E+006 days)
    Half-Life from Model Lake : 5.658E+008  hours   (2.357E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.42  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.32  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       0.000635        34.6         1000       
   Water     20.3            900          1000       
   Soil      79.6            1.8e+003     1000       
   Sediment  0.0963          8.1e+003     0          
     Persistence Time: 1.5e+003 hr




                    

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