ChemSpider 2D Image | 4-Amino-3-hydroxybenzoic acid | C7H7NO3

4-Amino-3-hydroxybenzoic acid

  • Molecular FormulaC7H7NO3
  • Average mass153.135 Da
  • Monoisotopic mass153.042587 Da
  • ChemSpider ID121227

More details:






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

2374-03-0 [RN]
4-Amino-3-hydroxybenzoesäure [German] [ACD/IUPAC Name]
4-Amino-3-hydroxybenzoic acid [ACD/IUPAC Name]
Acide 4-amino-3-hydroxybenzoïque [French] [ACD/IUPAC Name]
Benzoic acid, 4-amino-3-hydroxy- [ACD/Index Name]
ZR BQ DVQ [WLN]
[2374-03-0] [RN]
2-Hydroxy-4-carboxyaniline
4A3
BR-34278
More...

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

509859 [Beilstein] [DBID]
339598_ALDRICH [DBID]
CCRIS 4693 [DBID]
MFCD00017094 [DBID] [MDL number]
nchembio831-compF2 [DBID]
NSC407243 [DBID]

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

Density: 1.5±0.1 g/cm3
Boiling Point: 385.7±37.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 66.9±3.0 kJ/mol
Flash Point: 187.1±26.5 °C
Index of Refraction: 1.691
Molar Refractivity: 39.3±0.3 cm3
#H bond acceptors: 4
#H bond donors: 4
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.68
ACD/LogD (pH 5.5): -0.26
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 6.42
ACD/LogD (pH 7.4): -1.95
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 84 Å2
Polarizability: 15.6±0.5 10-24cm3
Surface Tension: 83.4±3.0 dyne/cm
Molar Volume: 102.7±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) =  0.48
    Log Kow (Exper. database match) =  0.50
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  346.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  128.86  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.62E-007  (Modified Grain method)
    MP  (exp database):  211-215 deg C
    Subcooled liquid VP: 4.37E-005 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):  2.749e+004
       log Kow used: 0.50 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1191.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.99E-015  atm-m3/mole
   Group Method:   2.28E-015  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.386E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.50  (exp database)
  Log Kaw used:  -12.787  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.287
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7336
   Biowin2 (Non-Linear Model)     :   0.9053
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8701  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5659  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5647
   Biowin6 (MITI Non-Linear Model):   0.5429
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6183
 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):  0.00583 Pa (4.37E-005 mm Hg)
  Log Koa (Koawin est  ): 13.287
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000515 
       Octanol/air (Koa) model:  4.75 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0183 
       Mackay model           :  0.0396 
       Octanol/air (Koa) model:  0.997 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  28.0997 E-12 cm3/molecule-sec
      Half-Life =     0.381 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.568 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.0289 (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: 0.50 (expkow database)

 Volatilization from Water:
    Henry LC:  2.28E-015 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 3.178E+011  hours   (1.324E+010 days)
    Half-Life from Model Lake : 3.467E+012  hours   (1.444E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       6.24e-008       9.13         1000       
   Water     37.4            360          1000       
   Soil      62.5            720          1000       
   Sediment  0.0705          3.24e+003    0          
     Persistence Time: 590 hr




                    

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