ChemSpider 2D Image | 2,3-Dimethyl-1H-pyrrole | C6H9N

2,3-Dimethyl-1H-pyrrole

  • Molecular FormulaC6H9N
  • Average mass95.142 Da
  • Monoisotopic mass95.073502 Da
  • ChemSpider ID36148

More details:

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

2,3-Dimethyl-1H-pyrrole [ACD/IUPAC Name]
1H-Pyrrole, 2,3-dimethyl- [ACD/Index Name]
2,3-Dimethyl-1H-pyrrol [German] [ACD/IUPAC Name]
2,3-Diméthyl-1H-pyrrole [French] [ACD/IUPAC Name]
2,3-Dimethylpyrrole
600-28-2 [RN]
dimethylpyrrole
pyrrole, 2,3-dimethyl-
1H-Pyrrole,2,3-dimethyl-
209-991-6 [EINECS]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

  • Gas Chromatography

    • Retention Index (Kovats):

      889 (estimated with error: 83) NIST Spectra mainlib_249760, replib_122344

    • Retention Index (Normal Alkane):

      804 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 36C=>20C/min=>85C=>1C/min=>145C=3C/min=>250C(30min); CAS no: 600282; Active phase: CP Sil 5 CB; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Counet, C.; Callemien, D.; Ouwerx, C.; Collin, S., Use of gas chromatography-olfactometry to identify key odorant compounds in dark chocolate. Comparison of samples before and after conching, J. Agric. Food Chem., 50, 2002, 2385-2391.) NIST Spectra nist ri

    • Retention Index (Linear):

      1620 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 220 C; End time: 30 min; Start time: 5 min; CAS no: 600282; Active phase: CP-Wax 52CB; Data type: Linear RI; Authors: Mahadevan, K.; Farmer, L., Key Odor Impact Compounds in Three Yeast Extract Pastes, J. Agric. Food Chem., 54, 2006, 7242-7250.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 0.9±0.1 g/cm3
Boiling Point: 165.0±0.0 °C at 760 mmHg
Vapour Pressure: 2.5±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.5±3.0 kJ/mol
Flash Point: 60.3±10.0 °C
Index of Refraction: 1.517
Molar Refractivity: 30.3±0.3 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.67
ACD/LogD (pH 5.5): 1.82
ACD/BCF (pH 5.5): 14.30
ACD/KOC (pH 5.5): 233.63
ACD/LogD (pH 7.4): 1.82
ACD/BCF (pH 7.4): 14.30
ACD/KOC (pH 7.4): 233.68
Polar Surface Area: 16 Å2
Polarizability: 12.0±0.5 10-24cm3
Surface Tension: 34.0±3.0 dyne/cm
Molar Volume: 100.3±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) =  1.97

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  170.50  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -8.13  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.53  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2491
       log Kow used: 1.97 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2290.5 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.11E-005  atm-m3/mole
   Group Method:   1.14E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.690E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.97  (KowWin est)
  Log Kaw used:  -3.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.313
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8116
   Biowin2 (Non-Linear Model)     :   0.9433
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8392  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5734  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5284
   Biowin6 (MITI Non-Linear Model):   0.6533
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0983
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  185 Pa (1.39 mm Hg)
  Log Koa (Koawin est  ): 5.313
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.62E-008 
       Octanol/air (Koa) model:  5.05E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.85E-007 
       Mackay model           :  1.29E-006 
       Octanol/air (Koa) model:  4.04E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.2720 E-12 cm3/molecule-sec
      Half-Life =     0.053 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.641 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 9.4E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  240.2
      Log Koc:  2.381 

 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 = 0.820 (BCF = 6.6)
       log Kow used: 1.97 (estimated)

 Volatilization from Water:
    Henry LC:  1.14E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      51.09  hours   (2.129 days)
    Half-Life from Model Lake :      639.2  hours   (26.63 days)

 Removal In Wastewater Treatment:
    Total removal:               2.84  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.11  percent
    Total to Air:                0.63  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.169           1.28         1000       
   Water     32.3            360          1000       
   Soil      67.5            720          1000       
   Sediment  0.11            3.24e+003    0          
     Persistence Time: 397 hr

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