2,5-Dimethylindole

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon
Predicted - Mcule

Experimental Physico-chemical Properties

Experimental Melting Point:

Predicted Physico-chemical Properties
- Predicted Melting Point:
  
  115 °C TCI D3698

Gas Chromatography

Retention Index (Kovats):

1377 (estimated with error: 83) NIST Spectra mainlib_229292, replib_4189, replib_68472

Retention Index (Lee):

Retention Index (Normal Alkane):

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

Density:	1.1±0.1 g/cm³
Boiling Point:	281.5±9.0 °C at 760 mmHg
Vapour Pressure:	0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization:	49.9±3.0 kJ/mol
Flash Point:	119.7±11.3 °C
Index of Refraction:	1.636
Molar Refractivity:	48.2±0.3 cm³
#H bond acceptors:	1
#H bond donors:	1
#Freely Rotating Bonds:	0
#Rule of 5 Violations:	0

ACD/LogP:	3.06
ACD/LogD (pH 5.5):	2.94
ACD/BCF (pH 5.5):	100.27
ACD/KOC (pH 5.5):	941.98
ACD/LogD (pH 7.4):	2.94
ACD/BCF (pH 7.4):	100.27
ACD/KOC (pH 7.4):	941.98
Polar Surface Area:	16 Å²
Polarizability:	19.1±0.5 10^-24cm³
Surface Tension:	43.9±3.0 dyne/cm
Molar Volume:	134.4±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) =  3.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  283.21  (Adapted Stein & Brown method)
    Melting Pt (deg C):  69.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000608  (Modified Grain method)
    MP  (exp database):  115.3 deg C
    Subcooled liquid VP: 0.00474 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):  162.7
       log Kow used: 3.15 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  61.928 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.08E-006  atm-m3/mole
   Group Method:   2.94E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.140E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.15  (KowWin est)
  Log Kaw used:  -4.355  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.505
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7878
   Biowin2 (Non-Linear Model)     :   0.8910
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7286  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5012  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3959
   Biowin6 (MITI Non-Linear Model):   0.3609
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2892
 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):  0.632 Pa (0.00474 mm Hg)
  Log Koa (Koawin est  ): 7.505
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.75E-006 
       Octanol/air (Koa) model:  7.85E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000171 
       Mackay model           :  0.00038 
       Octanol/air (Koa) model:  0.000628 

 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
   Fraction sorbed to airborne particulates (phi): 0.000276 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2613
      Log Koc:  3.417 

 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 = 1.725 (BCF = 53.09)
       log Kow used: 3.15 (estimated)

 Volatilization from Water:
    Henry LC:  2.94E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      241.2  hours   (10.05 days)
    Half-Life from Model Lake :       2732  hours   (113.8 days)

 Removal In Wastewater Treatment:
    Total removal:               7.34  percent
    Total biodegradation:        0.14  percent
    Total sludge adsorption:     7.04  percent
    Total to Air:                0.16  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0608          1.28         1000       
   Water     18.9            900          1000       
   Soil      80.4            1.8e+003     1000       
   Sediment  0.605           8.1e+003     0          
     Persistence Time: 1.02e+003 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  283.21  (Adapted Stein & Brown method)
    Melting Pt (deg C):  69.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000608  (Modified Grain method)
    MP  (exp database):  115.3 deg C
    Subcooled liquid VP: 0.00474 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):  162.7
       log Kow used: 3.15 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  61.928 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.08E-006  atm-m3/mole
   Group Method:   2.94E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.140E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.15  (KowWin est)
  Log Kaw used:  -4.355  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.505
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7878
   Biowin2 (Non-Linear Model)     :   0.8910
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7286  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5012  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3959
   Biowin6 (MITI Non-Linear Model):   0.3609
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2892
 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):  0.632 Pa (0.00474 mm Hg)
  Log Koa (Koawin est  ): 7.505
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.75E-006 
       Octanol/air (Koa) model:  7.85E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000171 
       Mackay model           :  0.00038 
       Octanol/air (Koa) model:  0.000628 

 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
   Fraction sorbed to airborne particulates (phi): 0.000276 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2613
      Log Koc:  3.417 

 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 = 1.725 (BCF = 53.09)
       log Kow used: 3.15 (estimated)

 Volatilization from Water:
    Henry LC:  2.94E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      241.2  hours   (10.05 days)
    Half-Life from Model Lake :       2732  hours   (113.8 days)

 Removal In Wastewater Treatment:
    Total removal:               7.34  percent
    Total biodegradation:        0.14  percent
    Total sludge adsorption:     7.04  percent
    Total to Air:                0.16  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0608          1.28         1000       
   Water     18.9            900          1000       
   Soil      80.4            1.8e+003     1000       
   Sediment  0.605           8.1e+003     0          
     Persistence Time: 1.02e+003 hr

Click to predict properties on the Chemicalize site

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Experimental Melting Point:

Predicted Melting Point:

Retention Index (Kovats):

Retention Index (Lee):

Retention Index (Normal Alkane):

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