ChemSpider 2D Image | 2-Methylbenzofuran-5-ol | C9H8O2

2-Methylbenzofuran-5-ol

  • Molecular FormulaC9H8O2
  • Average mass148.159 Da
  • Monoisotopic mass148.052429 Da
  • ChemSpider ID513103

More details:

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

2-Methyl-1-benzofuran-5-ol [ACD/IUPAC Name]
2-Methyl-1-benzofuran-5-ol [German] [ACD/IUPAC Name]
2-Méthyl-1-benzofuran-5-ol [French] [ACD/IUPAC Name]
2-Methyl-5-hydroxybenzofuran
2-Methylbenzofuran-5-ol
5-Benzofuranol, 2-methyl- [ACD/Index Name]
6769-56-8 [RN]
[6769-56-8] [RN]
2-METHYL-1-BENZOFURAN-5-OL|2-METHYL-1-BENZOFURAN-5-OL
2-methyl-5-Benzofuranol
More...

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

  • Gas Chromatography

    • Retention Index (Kovats):

      1328 (estimated with error: 89) NIST Spectra mainlib_289096

    • Retention Index (Normal Alkane):

      2619 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C ^ 7 0C/min -> 180 0C ^ 10 0C/min -> 240 0C (10 min); CAS no: 6769568; Active phase: SOLGel-Wax; Carrier gas: Helium; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Shu, N.; Shen, H., Aroma-impact compounds in Lysimachia foenum-graecum extracts, Flavour Fragr. J., 24, 2008, 1-6.) NIST Spectra nist ri

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

Density: 1.2±0.1 g/cm3
Boiling Point: 269.4±20.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 52.8±3.0 kJ/mol
Flash Point: 116.7±21.8 °C
Index of Refraction: 1.631
Molar Refractivity: 43.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.39
ACD/LogD (pH 5.5): 2.48
ACD/BCF (pH 5.5): 44.85
ACD/KOC (pH 5.5): 529.56
ACD/LogD (pH 7.4): 2.47
ACD/BCF (pH 7.4): 44.35
ACD/KOC (pH 7.4): 523.68
Polar Surface Area: 33 Å2
Polarizability: 17.1±0.5 10-24cm3
Surface Tension: 47.5±3.0 dyne/cm
Molar Volume: 121.0±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) =  2.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  271.04  (Adapted Stein & Brown method)
    Melting Pt (deg C):  66.13  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00141  (Modified Grain method)
    Subcooled liquid VP: 0.00342 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):  1749
       log Kow used: 2.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4168.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.03E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.572E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.61  (KowWin est)
  Log Kaw used:  -5.608  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.218
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8475
   Biowin2 (Non-Linear Model)     :   0.9161
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8533  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6051  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4099
   Biowin6 (MITI Non-Linear Model):   0.3833
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1633
 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):  0.456 Pa (0.00342 mm Hg)
  Log Koa (Koawin est  ): 8.218
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.58E-006 
       Octanol/air (Koa) model:  4.06E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000238 
       Mackay model           :  0.000526 
       Octanol/air (Koa) model:  0.00323 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.2760 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): 0.000382 (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 = 1.306 (BCF = 20.25)
       log Kow used: 2.61 (estimated)

 Volatilization from Water:
    Henry LC:  6.03E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.182E+004  hours   (492.5 days)
    Half-Life from Model Lake :  1.29E+005  hours   (5377 days)

 Removal In Wastewater Treatment:
    Total removal:               3.45  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.34  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       0.121           1.28         1000       
   Water     25.9            360          1000       
   Soil      73.7            720          1000       
   Sediment  0.216           3.24e+003    0          
     Persistence Time: 469 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  271.04  (Adapted Stein & Brown method)
    Melting Pt (deg C):  66.13  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00141  (Modified Grain method)
    Subcooled liquid VP: 0.00342 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):  1749
       log Kow used: 2.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4168.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.03E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.572E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.61  (KowWin est)
  Log Kaw used:  -5.608  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.218
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8475
   Biowin2 (Non-Linear Model)     :   0.9161
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8533  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6051  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4099
   Biowin6 (MITI Non-Linear Model):   0.3833
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1633
 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):  0.456 Pa (0.00342 mm Hg)
  Log Koa (Koawin est  ): 8.218
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.58E-006 
       Octanol/air (Koa) model:  4.06E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000238 
       Mackay model           :  0.000526 
       Octanol/air (Koa) model:  0.00323 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.2760 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): 0.000382 (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 = 1.306 (BCF = 20.25)
       log Kow used: 2.61 (estimated)

 Volatilization from Water:
    Henry LC:  6.03E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.182E+004  hours   (492.5 days)
    Half-Life from Model Lake :  1.29E+005  hours   (5377 days)

 Removal In Wastewater Treatment:
    Total removal:               3.45  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.34  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       0.121           1.28         1000       
   Water     25.9            360          1000       
   Soil      73.7            720          1000       
   Sediment  0.216           3.24e+003    0          
     Persistence Time: 469 hr

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