ChemSpider 2D Image | 2,3-Dihydro-1-benzofuran-7-carboxylic acid | C9H8O3

2,3-Dihydro-1-benzofuran-7-carboxylic acid

  • Molecular FormulaC9H8O3
  • Average mass164.158 Da
  • Monoisotopic mass164.047348 Da
  • ChemSpider ID2073899

More details:






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

2,3-Dihydro-1-benzofuran-7-carbonsäure [German] [ACD/IUPAC Name]
2,3-Dihydro-1-benzofuran-7-carboxylic acid [ACD/IUPAC Name]
2,3-dihydrobenzo[b]furan-7-carboxylic acid
7-Benzofurancarboxylic acid, 2,3-dihydro- [ACD/Index Name]
Acide 2,3-dihydro-1-benzofurane-7-carboxylique [French] [ACD/IUPAC Name]
(7-Coumarancarboxylic acid)
151155-53-2 [RN]
2,3-Dihydro-1-benzofuran-7-carboxylic acid, 7-Carboxy-2,3-dihydrobenzo[b]furan
2,3-Dihydro-1-benzofuran-7-carboxylic acid; 7-Carboxy-2,3-dihydrobenzo[b]furan
2,3-Dihydro-7-benzofurancarboxylic acid
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD00671526 [DBID]
SDCCGMLS-0065909.P001 [DBID]

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

Density: 1.3±0.1 g/cm3
Boiling Point: 330.6±31.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.8 mmHg at 25°C
Enthalpy of Vaporization: 60.5±3.0 kJ/mol
Flash Point: 139.6±18.3 °C
Index of Refraction: 1.610
Molar Refractivity: 42.4±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.50
ACD/LogD (pH 5.5): 0.61
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 12.44
ACD/LogD (pH 7.4): -0.93
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 47 Å2
Polarizability: 16.8±0.5 10-24cm3
Surface Tension: 60.3±3.0 dyne/cm
Molar Volume: 122.1±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) =  2.05

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  308.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  94.59  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000262  (Modified Grain method)
    Subcooled liquid VP: 0.00124 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):  1168
       log Kow used: 2.05 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1220.1 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.12E-009  atm-m3/mole
   Group Method:   4.77E-009  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.845E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.05  (KowWin est)
  Log Kaw used:  -6.894  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.944
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0328
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7913  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6272  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7846
   Biowin6 (MITI Non-Linear Model):   0.8835
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7516
 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):  0.165 Pa (0.00124 mm Hg)
  Log Koa (Koawin est  ): 8.944
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.81E-005 
       Octanol/air (Koa) model:  0.000216 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000655 
       Mackay model           :  0.00145 
       Octanol/air (Koa) model:  0.017 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  16.7978 E-12 cm3/molecule-sec
      Half-Life =     0.637 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.641 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00105 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  20.26
      Log Koc:  1.307 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 2.05 (estimated)

 Volatilization from Water:
    Henry LC:  4.77E-009 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 1.573E+005  hours   (6553 days)
    Half-Life from Model Lake : 1.716E+006  hours   (7.149E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               2.29  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.20  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       0.0853          15.3         1000       
   Water     22.8            360          1000       
   Soil      77.1            720          1000       
   Sediment  0.085           3.24e+003    0          
     Persistence Time: 687 hr




                    

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