ChemSpider 2D Image | pimexone | C20H21NO3


  • Molecular FormulaC20H21NO3
  • Average mass323.386 Da
  • Monoisotopic mass323.152130 Da
  • ChemSpider ID59116

More details:

Featured data source

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

17854-59-0 [RN]
241-810-6 [EINECS]
3-Methoxy-4-(1-piperidinylmethyl)-9H-xanthen-9-on [German] [ACD/IUPAC Name]
3-Methoxy-4-(1-piperidinylmethyl)-9H-xanthen-9-one [ACD/IUPAC Name]
3-Méthoxy-4-(1-pipéridinylméthyl)-9H-xanthén-9-one [French] [ACD/IUPAC Name]
9H-Xanthen-9-one, 3-methoxy-4-(1-piperidinylmethyl)- [ACD/Index Name]

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

BRN 1296265 [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      2799 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 280 C; CAS no: 17854590; 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

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

Density: 1.2±0.1 g/cm3
Boiling Point: 488.0±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.4±3.0 kJ/mol
Flash Point: 249.0±28.7 °C
Index of Refraction: 1.612
Molar Refractivity: 91.7±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 3.85
ACD/LogD (pH 5.5): 1.34
ACD/BCF (pH 5.5): 1.41
ACD/KOC (pH 5.5): 7.77
ACD/LogD (pH 7.4): 3.00
ACD/BCF (pH 7.4): 64.41
ACD/KOC (pH 7.4): 354.52
Polar Surface Area: 39 Å2
Polarizability: 36.4±0.5 10-24cm3
Surface Tension: 50.6±3.0 dyne/cm
Molar Volume: 264.0±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) =  5.04

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  449.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  188.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.13E-008  (Modified Grain method)
    MP  (exp database):  159.5 deg C
    Subcooled liquid VP: 5.1E-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):  0.3522
       log Kow used: 5.04 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.37749 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.44E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.573E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.04  (KowWin est)
  Log Kaw used:  -9.580  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.620
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6590
   Biowin2 (Non-Linear Model)     :   0.5590
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0910  (months      )
   Biowin4 (Primary Survey Model) :   3.2252  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2661
   Biowin6 (MITI Non-Linear Model):   0.0853
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.5342
 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):  6.8E-005 Pa (5.1E-007 mm Hg)
  Log Koa (Koawin est  ): 14.620
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0441 
       Octanol/air (Koa) model:  102 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.614 
       Mackay model           :  0.779 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 165.8754 E-12 cm3/molecule-sec
      Half-Life =     0.064 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.774 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.697 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4.179E+004
      Log Koc:  4.621 

 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 = 2.339 (BCF = 218.5)
       log Kow used: 5.04 (estimated)

 Volatilization from Water:
    Henry LC:  6.44E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.635E+008  hours   (6.812E+006 days)
    Half-Life from Model Lake : 1.784E+009  hours   (7.431E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              78.93  percent
    Total biodegradation:        0.69  percent
    Total sludge adsorption:    78.25  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       4.97e-005       1.55         1000       
   Water     6               1.44e+003    1000       
   Soil      74              2.88e+003    1000       
   Sediment  20              1.3e+004     0          
     Persistence Time: 3.55e+003 hr


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