ChemSpider 2D Image | Isonicotinic acid | C6H5NO2

Isonicotinic acid

  • Molecular FormulaC6H5NO2
  • Average mass123.109 Da
  • Monoisotopic mass123.032028 Da
  • ChemSpider ID5709

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Isonicotinic acid [ACD/IUPAC Name]
163751-04-0 [RN]
200-228-2 [EINECS]
4-Picolinic acid
4-Pyridinecarboxylic acid [ACD/Index Name]
4-Pyridinecarboxylic acid, radical ion(1+)
55-22-1 [RN]
Acide isonicotinique [French] [ACD/IUPAC Name]
g-picolinic acid
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD00006429 [DBID] [MDL number]
58930_FLUKA [DBID]
AC-907/25014347 [DBID]
AI3-19239 [DBID]
bmse000133 [DBID]
C07446 [DBID]
CHEBI:6032 [DBID]
I17508_ALDRICH [DBID]
NSC 1483 [DBID]
NSC1483 [DBID]
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  • Experimental Physico-chemical Properties
  • Predicted Physico-chemical Properties
  • Miscellaneous
    • Safety:

      26-37 Alfa Aesar A18109
      26-37-60 Alfa Aesar A18109
      36/37/38 Alfa Aesar A18109
      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar A18109
      H315-H319-H335 Alfa Aesar A18109
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A18109
      Warning Alfa Aesar A18109
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A18109
    • Chemical Class:

      A pyridinemonocarboxylic acid in which the carboxy group is at position 4 of the pyridine ring. ChEBI CHEBI:6032
  • Gas Chromatography
    • Retention Index (Kovats):

      1144 (estimated with error: 89) NIST Spectra mainlib_234034, replib_40520, replib_248086
    • Retention Index (Linear):

      2088 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 200 C; End time: 60 min; Start time: 5 min; CAS no: 55221; Active phase: DB-Wax; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Cha, Y.J.; Kim, H.; Cadwallader, K.R., Aroma-active compounds in Kimchi during fermentation, J. Agric. Food Chem., 46(5), 1998, 1944-1953.) 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: 396.0±15.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 68.2±3.0 kJ/mol
Flash Point: 193.3±20.4 °C
Index of Refraction: 1.571
Molar Refractivity: 31.3±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.54
ACD/LogD (pH 5.5): -1.62
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.54
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 50 Å2
Polarizability: 12.4±0.5 10-24cm3
Surface Tension: 58.8±3.0 dyne/cm
Molar Volume: 95.2±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) =  0.69
    Log Kow (Exper. database match) =  0.32
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  257.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  63.27  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.87E-006  (Modified Grain method)
    MP  (exp database):  315 deg C
    Subcooled liquid VP: 0.018 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):  5.209e+004
       log Kow used: 0.32 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  5200 mg/L (20 deg C)
        Exper. Ref:  MERCK INDEX (1996)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9678.1 mg/L
    Wat Sol (Exper. database match) =  5200.00
       Exper. Ref:  MERCK INDEX (1996)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.42E-010  atm-m3/mole
   Group Method:   5.11E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.069E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.32  (exp database)
  Log Kaw used:  -8.236  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.556
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7112
   Biowin2 (Non-Linear Model)     :   0.8854
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8008  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6591  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7222
   Biowin6 (MITI Non-Linear Model):   0.8080
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.3610
 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):  2.4 Pa (0.018 mm Hg)
  Log Koa (Koawin est  ): 8.556
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.25E-006 
       Octanol/air (Koa) model:  8.83E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.51E-005 
       Mackay model           :  0.0001 
       Octanol/air (Koa) model:  0.00702 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.6570 E-12 cm3/molecule-sec
      Half-Life =    16.280 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 7.26E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  14.49
      Log Koc:  1.161 

 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: 0.32 (expkow database)

 Volatilization from Water:
    Henry LC:  5.11E-011 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 1.271E+007  hours   (5.297E+005 days)
    Half-Life from Model Lake : 1.387E+008  hours   (5.779E+006 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       0.00123         391          1000       
   Water     37.9            360          1000       
   Soil      62              720          1000       
   Sediment  0.0707          3.24e+003    0          
     Persistence Time: 586 hr




                    

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