ChemSpider 2D Image | Indoxylic Acid | C9H7NO3

Indoxylic Acid

  • Molecular FormulaC9H7NO3
  • Average mass177.157 Da
  • Monoisotopic mass177.042587 Da
  • ChemSpider ID13387320

More details:

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

1H-Indole-2-carboxylic acid, 3-hydroxy- [ACD/Index Name]
3-Hydroxy-1H-indol-2-carbonsäure [German] [ACD/IUPAC Name]
3-Hydroxy-1H-indole-2-carboxylic acid [ACD/IUPAC Name]
3-Hydroxy-2-indolecarboxylic Acid
6245-93-8 [RN]
Acide 3-hydroxy-1H-indole-2-carboxylique [French] [ACD/IUPAC Name]
Indoxylic Acid
1H-Indole-2-carboxylic acid, 3-hydroxy- (9CI)
3-HYDROXY-1H-INDOLE-2-CARBOXYLICACID
3-hydroxy-indole-2-carboxylic acid

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

Density: 1.6±0.1 g/cm3
Boiling Point: 458.7±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.8±3.0 kJ/mol
Flash Point: 231.2±24.6 °C
Index of Refraction: 1.780
Molar Refractivity: 47.3±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.47
ACD/LogD (pH 5.5): 0.37
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 3.33
ACD/LogD (pH 7.4): -0.43
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 73 Å2
Polarizability: 18.8±0.5 10-24cm3
Surface Tension: 90.3±3.0 dyne/cm
Molar Volume: 112.8±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) =  1.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  386.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  156.97  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.77E-007  (Modified Grain method)
    Subcooled liquid VP: 3.96E-006 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):  3245
       log Kow used: 1.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  17195 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.85E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.271E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.46  (KowWin est)
  Log Kaw used:  -13.121  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.581
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9559
   Biowin2 (Non-Linear Model)     :   0.9786
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9519  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6396  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6592
   Biowin6 (MITI Non-Linear Model):   0.6953
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8007
 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):  0.000528 Pa (3.96E-006 mm Hg)
  Log Koa (Koawin est  ): 14.581
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00568 
       Octanol/air (Koa) model:  93.5 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.17 
       Mackay model           :  0.313 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 168.5562 E-12 cm3/molecule-sec
      Half-Life =     0.063 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.761 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.241 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  147.3
      Log Koc:  2.168 

 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: 1.46 (estimated)

 Volatilization from Water:
    Henry LC:  1.85E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.212E+011  hours   (1.755E+010 days)
    Half-Life from Model Lake : 4.595E+012  hours   (1.915E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.96  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.87  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       4.88e-008       1.52         1000       
   Water     29.6            360          1000       
   Soil      70.3            720          1000       
   Sediment  0.069           3.24e+003    0          
     Persistence Time: 648 hr

Click to predict properties on the Chemicalize site


Advertisement