ChemSpider 2D Image | 2-Amino-4-methylbenzoic acid | C8H9NO2

2-Amino-4-methylbenzoic acid

  • Molecular FormulaC8H9NO2
  • Average mass151.163 Da
  • Monoisotopic mass151.063324 Da
  • ChemSpider ID67854

More details:

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

218-976-3 [EINECS]
2305-36-4 [RN]
2-Amino-4-methylbenzoesäure [German] [ACD/IUPAC Name]
2-Amino-4-methylbenzoic acid [ACD/IUPAC Name]
2-Azanyl-4-Methyl-Benzoic Acid
Acide 2-amino-4-méthylbenzoïque [French] [ACD/IUPAC Name]
Benzoic acid, 2-amino-4-methyl- [ACD/Index Name]
MFCD00047853 [MDL number]
1117-66-4 [RN]
2-Amino-4-methyl benzoic acid
More...

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

CCRIS 4693 [DBID]
NSC39155 [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography

    • Retention Index (Kovats):

      1575 (estimated with error: 89) NIST Spectra mainlib_243725

    • Retention Index (Normal Alkane):

      949 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40 0C (2 min) ^ 110 0C (2 min) ^ 3 0C/min -> 170 0C (2 min) ^ 4 0C/min -> 220 0C (2 min) ^ 10 0C/min -> 260 0C (5 min); CAS no: 2305364; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Dou, H.-L.; Li, C.-M.; Gu, H.-F.; Hao, J.-F., Comparative analysis on aromatic components of green tea and fresh green tea beverage using HS-SPME/GC-MS/GC-olfactometry/RI methods, Journal of Tea Science, 27(1), 2007, 51-60.) NIST Spectra nist ri

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

Density: 1.3±0.1 g/cm3
Boiling Point: 329.8±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.8 mmHg at 25°C
Enthalpy of Vaporization: 60.4±3.0 kJ/mol
Flash Point: 153.3±24.6 °C
Index of Refraction: 1.618
Molar Refractivity: 42.2±0.3 cm3
#H bond acceptors: 3
#H bond donors: 3
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.67
ACD/LogD (pH 5.5): 1.14
ACD/BCF (pH 5.5): 2.68
ACD/KOC (pH 5.5): 39.78
ACD/LogD (pH 7.4): -0.56
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 63 Å2
Polarizability: 16.7±0.5 10-24cm3
Surface Tension: 58.2±3.0 dyne/cm
Molar Volume: 120.5±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) =  1.91

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  321.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  106.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.98E-005  (Modified Grain method)
    Subcooled liquid VP: 0.00062 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):  1755
       log Kow used: 1.91 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  899.63 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.23E-011  atm-m3/mole
   Group Method:   1.99E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.131E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.91  (KowWin est)
  Log Kaw used:  -8.762  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.672
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6734
   Biowin2 (Non-Linear Model)     :   0.8760
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7432  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4605  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5478
   Biowin6 (MITI Non-Linear Model):   0.5120
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1658
 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):  0.0827 Pa (0.00062 mm Hg)
  Log Koa (Koawin est  ): 10.672
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.63E-005 
       Octanol/air (Koa) model:  0.0115 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00131 
       Mackay model           :  0.00289 
       Octanol/air (Koa) model:  0.48 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 104.7103 E-12 cm3/molecule-sec
      Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.226 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0021 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: 1.91 (estimated)

 Volatilization from Water:
    Henry LC:  1.99E-011 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 3.617E+007  hours   (1.507E+006 days)
    Half-Life from Model Lake : 3.946E+008  hours   (1.644E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.17  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.08  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       0.000197        2.45         1000       
   Water     24.7            900          1000       
   Soil      75.2            1.8e+003     1000       
   Sediment  0.0863          8.1e+003     0          
     Persistence Time: 1.37e+003 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.91

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  321.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  106.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.98E-005  (Modified Grain method)
    Subcooled liquid VP: 0.00062 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):  1755
       log Kow used: 1.91 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  899.63 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.23E-011  atm-m3/mole
   Group Method:   1.99E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.131E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.91  (KowWin est)
  Log Kaw used:  -8.762  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.672
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6734
   Biowin2 (Non-Linear Model)     :   0.8760
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7432  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4605  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5478
   Biowin6 (MITI Non-Linear Model):   0.5120
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1658
 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):  0.0827 Pa (0.00062 mm Hg)
  Log Koa (Koawin est  ): 10.672
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.63E-005 
       Octanol/air (Koa) model:  0.0115 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00131 
       Mackay model           :  0.00289 
       Octanol/air (Koa) model:  0.48 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 104.7103 E-12 cm3/molecule-sec
      Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.226 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0021 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: 1.91 (estimated)

 Volatilization from Water:
    Henry LC:  1.99E-011 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 3.617E+007  hours   (1.507E+006 days)
    Half-Life from Model Lake : 3.946E+008  hours   (1.644E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.17  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.08  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       0.000197        2.45         1000       
   Water     24.7            900          1000       
   Soil      75.2            1.8e+003     1000       
   Sediment  0.0863          8.1e+003     0          
     Persistence Time: 1.37e+003 hr

Click to predict properties on the Chemicalize site


Advertisement