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ChemSpider 2D Image | 2,3-Dihydroxybenzoic acid | C7H6O4

2,3-Dihydroxybenzoic acid

  • Molecular FormulaC7H6O4
  • Average mass154.120 Da
  • Monoisotopic mass154.026611 Da
  • ChemSpider ID18

More details:






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

2,3-Dihydroxybenzoic acid [ACD/IUPAC Name]
2,3-dihydroxy benzoic acid
2,3-Dihydroxybenzoesäure [German] [ACD/IUPAC Name]
2,3-DIHYDROXY-BENZOIC ACID
206-139-5 [EINECS]
303-38-8 [RN]
Acide 2,3-dihydroxybenzoïque [French] [ACD/IUPAC Name]
Benzoic acid, 2,3-dihydroxy- [ACD/Index Name]
dihydroxybenzoic acid
1,2-Dihydroxybenzene-3-carboxylic acid
More...

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

2209117 [Beilstein] [DBID]
70D5FBB392 [DBID]
DG8576490 [DBID]
MFCD00002446 [DBID]
UNII-70D5FBB392 [DBID]
[303-38-8] [DBID] [RN]
126209_ALDRICH [DBID]
4-10-00-01414 (Beilstein Handbook Reference) [Beilstein] [DBID]
AIDS018061 [DBID]
AIDS-018061 [DBID]
More...
  • Spectroscopy
  • Experimental Physico-chemical Properties
  • Predicted Physico-chemical Properties
  • Miscellaneous
    • Safety:

      26-37 Alfa Aesar A10144
      36/37/38 Alfa Aesar A10144
      H315-H319-H335 Alfa Aesar A10144
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A10144
      Warning Alfa Aesar A10144
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A10144
    • Chemical Class:

      A dihydroxybenzoic acid that is benzoic acid substituted by hydroxy groups at positions 2 and 3. It occurs naturally in <ital>Phyllanthus acidus</ital> and in the aquatic fern <ital>Salvinia molesta< /ital>. ChEBI CHEBI:18026
      A dihydroxybenzoic acid that is benzoic acid substituted by hydroxy groups at positions 2 and 3. It occurs naturally in Phyllanthus acidus and in the aquatic fern <ital>Salvinia molesta<; /ital>. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:18026
      A dihydroxybenzoic acid that is benzoic acid substituted by hydroxy groups at positions 2 and 3. It occurs naturally in Phyllanthus acidus and in the aquatic fern Salvinia molesta. ChEBI CHEBI:18026
      Hydroxybenzoic acids Phenol-Explorer 430
      Phenolic acids Phenol-Explorer 430
  • Gas Chromatography
    • Retention Index (Kovats):

      1591 (estimated with error: 89) NIST Spectra mainlib_135616, replib_5191, replib_228054
    • Retention Index (Normal Alkane):

      1372 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 1.8 m; Column type: Packed; Start T: 140 C; CAS no: 303388; Active phase: Apieson L; Carrier gas: Nitrogen; Substrate: Chromosorb W HMDS (60-80 mesh); Data type: Normal alkane RI; Authors: Hedin, P.A.; Minyard, J.P.; Thompson, A.C., Chromatographic and spectral analysis of phenolic acids and related compounds, J. Chromatogr., 30, 1967, 43-53.) NIST Spectra nist ri

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

Density: 1.6±0.1 g/cm3
Boiling Point: 362.5±32.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 64.2±3.0 kJ/mol
Flash Point: 187.2±21.6 °C
Index of Refraction: 1.671
Molar Refractivity: 36.9±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.80
ACD/LogD (pH 5.5): -1.47
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.62
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 78 Å2
Polarizability: 14.6±0.5 10-24cm3
Surface Tension: 84.3±3.0 dyne/cm
Molar Volume: 98.8±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) =  1.15
    Log Kow (Exper. database match) =  1.20
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  338.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  128.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.89E-007  (Modified Grain method)
    MP  (exp database):  204 deg C
    Subcooled liquid VP: 2.26E-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):  2.612e+004
       log Kow used: 1.20 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2381.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.48E-012  atm-m3/mole
   Group Method:   6.89E-016  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.244E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.20  (exp database)
  Log Kaw used:  -10.218  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.418
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0827
   Biowin2 (Non-Linear Model)     :   0.9937
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0592  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7125  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7837
   Biowin6 (MITI Non-Linear Model):   0.8651
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9768
 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):  0.00301 Pa (2.26E-005 mm Hg)
  Log Koa (Koawin est  ): 11.418
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000996 
       Octanol/air (Koa) model:  0.0643 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0347 
       Mackay model           :  0.0738 
       Octanol/air (Koa) model:  0.837 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.2953 E-12 cm3/molecule-sec
      Half-Life =     1.151 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.808 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.0542 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  39.61
      Log Koc:  1.598 

 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: 1.20 (expkow database)

 Volatilization from Water:
    Henry LC:  1.48E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.911E+008  hours   (2.046E+007 days)
    Half-Life from Model Lake : 5.358E+009  hours   (2.232E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.91  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.82  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       4.2e-005        27.6         1000       
   Water     32.7            360          1000       
   Soil      67.2            720          1000       
   Sediment  0.0688          3.24e+003    0          
     Persistence Time: 624 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.15
    Log Kow (Exper. database match) =  1.20
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  338.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  128.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.89E-007  (Modified Grain method)
    MP  (exp database):  204 deg C
    Subcooled liquid VP: 2.26E-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):  2.612e+004
       log Kow used: 1.20 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2381.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.48E-012  atm-m3/mole
   Group Method:   6.89E-016  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.244E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.20  (exp database)
  Log Kaw used:  -10.218  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.418
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0827
   Biowin2 (Non-Linear Model)     :   0.9937
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0592  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7125  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7837
   Biowin6 (MITI Non-Linear Model):   0.8651
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9768
 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):  0.00301 Pa (2.26E-005 mm Hg)
  Log Koa (Koawin est  ): 11.418
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000996 
       Octanol/air (Koa) model:  0.0643 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0347 
       Mackay model           :  0.0738 
       Octanol/air (Koa) model:  0.837 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.2953 E-12 cm3/molecule-sec
      Half-Life =     1.151 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.808 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.0542 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  39.61
      Log Koc:  1.598 

 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: 1.20 (expkow database)

 Volatilization from Water:
    Henry LC:  1.48E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.911E+008  hours   (2.046E+007 days)
    Half-Life from Model Lake : 5.358E+009  hours   (2.232E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.91  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.82  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       4.2e-005        27.6         1000       
   Water     32.7            360          1000       
   Soil      67.2            720          1000       
   Sediment  0.0688          3.24e+003    0          
     Persistence Time: 624 hr




                    

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