Pyridine C5H5N structure

Flashcard maker : Lily Taylor

C5H5N structure
Molecular Formula C5H5N
Average mass 79.100 Da
Density 1.0±0.1 g/cm3
Boiling Point 115.3±0.0 °C at 760 mmHg
Flash Point 20.0±0.0 °C
Molar Refractivity 24.3±0.3 cm3
Polarizability 9.7±0.5 10-24cm3
Surface Tension 35.3±3.0 dyne/cm
Molar Volume 82.7±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -42 °C Alfa Aesar
      -42 °C Oxford University Chemical Safety Data (No longer updated) More details
      -41.6 °C Jean-Claude Bradley Open Melting Point Dataset 22306
      -42 °C Jean-Claude Bradley Open Melting Point Dataset 13183, 16101, 8347
      -42 °C Alfa Aesar 22905, A12005, 32436, 43799, 19378
      -42 °C SynQuest 3H00-1-05, 3H32-1-05HP
      -42 °C Oakwood 005154
      -42 °C (Literature) LabNetwork LN00163048
      -42 °C FooDB FDB014733
    • Experimental Boiling Point:

      115 °C Alfa Aesar
      240 F (115.5556 °C)
      NIOSH UR8400000
      115 °C Oxford University Chemical Safety Data (No longer updated) More details
      115 °C Alfa Aesar 22905, A12005, 32436, 43799, 19378
      114-115 °C SynQuest 3H00-1-05
      115-116 °C SynQuest 3H32-1-05HP
      114-115 °C Oakwood 005154
      115 °C (Literature) LabNetwork LN00163048
      115.5 °C FooDB FDB014733
    • Experimental Ionization Potent:

      9.27 Ev NIOSH UR8400000
    • Experimental Vapor Pressure:

      16 mmHg NIOSH UR8400000
      20 mmHg SynQuest 3H00-1-05
    • Experimental LogP:

      0.65 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
    • Experimental Flash Point:

      20 °C Alfa Aesar
      68 F (20 °C)
      NIOSH UR8400000
      19 °C Oxford University Chemical Safety Data (No longer updated) More details
      20 °C Alfa Aesar
      20 °C SynQuest 3H00-1-05
      20 °F (-6.6667 °C)
      Alfa Aesar 22905, A12005, 32436, 43799, 19378
      17 °C SynQuest 3H00-1-05, 3H32-1-05HP
      17 °C Oakwood 005154
      16 °C LabNetwork LN00163048
    • Experimental Freezing Point:

      -44 F (-42.2222 °C)
      NIOSH UR8400000
    • Experimental Gravity:

      0.979 g/mL SynQuest 3H00-1-05
      0.978 g/mL Alfa Aesar 22905, A12005, 32436, 43799, 19378
      0.978 g/mL SynQuest 3H00-1-05
      0.98 g/mL SynQuest 3H32-1-05HP
      0.979 g/mL Oakwood 005154
      0.979 g/mL Fluorochem
      0.979 g/l Fluorochem 995154
    • Experimental Refraction Index:

      1.51 Alfa Aesar A12005, 43799, 32436, 22905, 19378
      1.509 SynQuest 3H00-1-05
      1.51 SynQuest 3H00-1-05, 3H32-1-05HP
      21 FooDB FDB014733
    • Experimental Solubility:

      0.76 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
      Miscible NIOSH UR8400000
      Miscible with water, alcohol, ether, pet ether, oils Alfa Aesar A12005
  • Miscellaneous
    • Appearance:

      Colorless to yellow liquid with a nauseating, fish-like odor. NIOSH UR8400000
      colourless liquid with a very unpleasant odour Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable. Flammable. Incompatible with strong oxidizing agents,strong acids. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 891 mg kg-1, IPR-RAT LD50 866 mg kg-1, SCU-RAT LD50 1000 mg kg-1, SKN-RBT LD50 1121 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      11-20/21/22 Alfa Aesar 19378, 22905, 32436, 43799, A12005
      26-28 Alfa Aesar 19378, 22905, 32436, 43799, A12005
      3 Alfa Aesar 19378, 22905, 32436, 43799, A12005
      Danger Alfa Aesar 19378, 22905, 32436, 43799, A12005
      DANGER: FLAMMABLE; Causes CNS effects; irritates skin, lungs Alfa Aesar 19378, 22905, 32436, 43799, A12005
      F,Xn Abblis Chemicals AB1007260
      H225-H302-H312-H332 Alfa Aesar 19378, 22905, 32436, 43799, A12005
      Highly Flammable/Harmful/Store under Argon SynQuest 3H32-1-05HP, 3H00-1-05
      P210-P261-P280-P303+P361+P353-P403+P235-P501a Alfa Aesar 19378, 22905, 32436, 43799, A12005
      R11,R20/21/22,R36/37/38,R52 SynQuest 3H00-1-05
      S9,S16,S23,S24/25,S26,S28,S36/37/39,S45 SynQuest 3H00-1-05
      Safety glasses, gloves, good ventilation. Oxford University Chemical Safety Data (No longer updated) More details
    • First-Aid:

      Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH UR8400000
    • Exposure Routes:

      inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH UR8400000
    • Symptoms:

      Irritation eyes; headache, anxiety, dizziness, insomnia; nausea, anorexia; dermatitis; liver, kidney damage NIOSH UR8400000
    • Target Organs:

      Eyes, skin, central nervous system, liver, kidneys, gastrointestinal tract, NIOSH UR8400000
    • Incompatibility:

      Strong oxidizers, strong acids NIOSH UR8400000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench NIOSH UR8400000
    • Exposure Limits:

      NIOSH REL : TWA 5 ppm (15 mg/m 3 ) OSHA PEL : TWA 5 ppm (15 mg/m 3 ) NIOSH UR8400000
  • Gas Chromatography
    • Retention Index (Kovats):

      674 (estimated with error: 83) NIST Spectra mainlib_227742, replib_410, replib_291434, replib_379824
      722 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Capillary; CAS no: 110861; Active phase: BP-1; Data type: Kovats RI; Authors: SGE, Guide to GC column selection, 2005.) NIST Spectra nist ri
      726 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 3.7 m; Column type: Packed; Start T: 130 C; CAS no: 110861; Active phase: Apolane; Data type: Kovats RI; Authors: Dutoit, J., Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases, J. Chromatogr., 555, 1991, 191-204., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 90 C; CAS no: 110861; Active phase: PMS-1000; Carrier gas: N2; Substrate: Chromaton N-AW-DMCS; Data type: Kovats RI; Authors: Arutyunov, Y.I.; Kudryashov, S.Y.; Onuchak, L.A., Analysis of Mixtures Containing Unknown Components by Gas Chromatography: Determination of Molecular Mass, J. Anal. Chem. USSR (Engl. Transl.), 59(4), 2004, 358-365, In original 403-411.) NIST Spectra nist ri
      727.87 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Start T: 60 C; CAS no: 110861; Active phase: HP-101; Carrier gas: H2; Phase thickness: 0.2 um; Data type: Kovats RI; Authors: Garay, F., Application of a flow-tunable, serially coupled gas chromatographic capillary column system for the analysis of complex mixtures, Chromatographia Sup., 51, 2000, s108-s120.) NIST Spectra nist ri
      748 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 2 m; Column type: Packed; Start T: 150 C; CAS no: 110861; Active phase: Apiezon L; Carrier gas: N2; Substrate: Chromosorb W AW-DCMS; Data type: Kovats RI; Authors: Bark, L.S.; Wheatstone, K.C., Studies in the relationship between molecular structure and chromatographic behaviour. Gas chromatographic study of monoalkylpyridines, J. Chromatogr., 92, 1974, 281-289., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 110 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Golovnya, R.V.; Kuz’menko, T.E.; Krikunova, N.I., The influence of alkyl substituents on the chromatographic indicator of self-association of N-containing heterocyclic compounds, Russ. Chem. Bull. (Engl. Transl.), 49(2), 2000, 321-324.) NIST Spectra nist ri
      738 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 110861; Active phase: HP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 33(3/4), 1992, 138-146., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Zhuravleva, I.L., Evaluation of the polarity and boiling points of nitrogen-containing heterocyclic compounds by gas chromatography, Russ. Chem. Bull. (Engl. Transl.), 49(2), 2000, 325-328., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 110 C; CAS no: 110861; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Golovnya, R.V., Prediction of the retention indices of methyl pyridines and pyrazines in capillary gas chromatography based on the non-linear additivity of the sorption energy, Chromatographia, 25(6), 1988, 531-535., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 0.25 m; Column type: Packed; Start T: 120 C; CAS no: 110861; Active phase: SE-30; Carrier gas: He; Substrate: Gas Chrom Q (100-120 mesh); Data type: Kovats RI; Authors: Kowalski, W.J., Free radical crosslinking of the gas chromatographic stationary phase containing europium chelates, Chromatographia, 34(5-8), 1992, 266-268.) NIST Spectra nist ri
      739 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column type: Capillary; Start T: 120 C; CAS no: 110861; Active phase: Apiezon M; Data type: Kovats RI; Authors: Golovnya, R.V.; Misharina, T.A., Characterization of the selectivity of stationary phases from the partial molar free energies of solution of standards, Chromatographia, 10(11), 1977, 658-660., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Golovnya, R.V.; Kuz’menko, T.E.; Zhuravleva, I.L., Gas chromatographic indicator of the ability of five- and six-membered heterocyclic nitrogen-containing compounds for self-association in pure liquids, Russ. Chem. Bull. (Engl. Transl.), 48(4), 1999, 726-729.) NIST Spectra nist ri
      756 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.4 um; Data type: Kovats RI; Authors: Terenina, M.B.; Zhuravieva, I.L.; Golovnya, R.V., Peculiar features of sorption of positional isomers of formyl-, acetyl-, and aminopyridines in capillary gas-liquid chromatography, Russ. Chem. Bull. (Engl. Transl.), 46(1), 1997, 86-89, In original 91-94.) NIST Spectra nist ri
      717 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 220 C; Start time: 4 min; CAS no: 110861; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Takeoka, G.; Perrino, C., Jr.; Buttery, R., Volatile constituents of used frying oils, J. Agric. Food Chem., 44, 1996, 654-660.) NIST Spectra nist ri
      719 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 110861; Active phase: Apolane; Carrier gas: He; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Castello, G.; D’Amato, G., Classification of the “Polarity” of porous polymer bead stationary phases by comparison with squalane and apolane standard liquid phases, J. Chromatogr., 269, 1983, 153-160., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 220 C; Start time: 4 min; CAS no: 110861; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Takeoka, G.; Perrino, C., Jr.; Buttery, R., Volatile constituents of used frying oils, J. Agric. Food Chem., 44, 1996, 654-660.) NIST Spectra nist ri
      706 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 60 C; CAS no: 110861; Active phase: SPB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Castello, G.; Vezzani, S.; Moretti, P., The selectivity and polarity of carbon layer open tubular capillary columns modified with a polar liquid phase, J. Hi. Res. Chromatogr., 17, 1994, 31-36.) NIST Spectra nist ri
      729 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 60 C; CAS no: 110861; Active phase: HP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 33(3/4), 1992, 138-146.) NIST Spectra nist ri
      731.5 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.75 mm; Column length: 60 m; Column type: Capillary; CAS no: 110861; Active phase: SPB-1; Carrier gas: N2; Data type: Kovats RI; Authors: Castello, G.; Timossi, A.; Gerbino, T.C., Gas Chromatographic Separation of Halogenated Compounds on Non-Polar and Polar Wide Bore Capillary Columns, J. Chromatogr., 454, 1988, 129-143.) NIST Spectra nist ri
      732 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.156 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Svetlova, N.I.; Golovnya, R.V., Reproducible and durable glass capillary columns with hydrogenated apiezon-l and OV-101 for the analysis of polar substances, Zh. Anal. Khim., 61(1), 1986, 127-133., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 35 m; Column type: Capillary; Start T: 80 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.125 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Svetlova, N.I.; Golovnya, R.V., Reproducible and durable glass capillary columns with hydrogenated apiezon-l and OV-101 for the analysis of polar substances, Zh. Anal. Khim., 61(1), 1986, 127-133., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 110861; Active phase: SE-30; Carrier gas: He; Phase thickness: 1 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Golovnya, R.V., Prediction of the retention indices of methyl pyridines and pyrazines in capillary gas chromatography based on the non-linear additivity of the sorption energy, Chromatographia, 25(6), 1988, 531-535.) NIST Spectra nist ri
      774 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 120 C; CAS no: 110861; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W AW DMCS (80-100 mesh); Data type: Kovats RI; Authors: Fernandez-Sanchez, E.; Fernandez-Torres, A.; Garcia-Dominguez, J.A.; Garcia-Munoz, J.; Menendez, V.; Molera, M.J.; Santiuste, J.M.; Pertierra-Rimada, E., Mixed stationary phases in gas-liquid chromatography. Partition coefficients and retention indices in OV-101-OV-25, OV-101-Carbowax 20M and OV-225-SP-2340 mixtures, J. Chromatogr., 410, 1987, 13-29.) NIST Spectra nist ri
      737 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 1.5 m; Column type: Packed; Start T: 120 C; CAS no: 110861; Active phase: OV-1; Carrier gas: N2; Data type: Kovats RI; Authors: Betts, T.J., Triangular Characterization of Gas Chromatographic Stationary Phases, J. Chromatogr., 354, 1986, 1-6.) NIST Spectra nist ri
      743 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 1. m; Column type: Packed; Start T: 120 C; CAS no: 110861; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Betts, T.J., Triangular Characterization of Gas Chromatographic Stationary Phases, J. Chromatogr., 354, 1986, 1-6., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 110861; Active phase: SE-30; Substrate: Gaschrom Q; Data type: Kovats RI; Authors: Winskowski, J., Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen Detektoren, Chromatographia, 17(3), 1983, 160-165.) NIST Spectra nist ri
      746 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column type: Capillary; CAS no: 110861; Active phase: BP-5; Data type: Kovats RI; Authors: SGE, Guide to GC column selection, 2005., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 1. m; Column type: Packed; Start T: 120 C; CAS no: 110861; Active phase: SP-2100; Carrier gas: N2; Data type: Kovats RI; Authors: Betts, T.J., Triangular Characterization of Gas Chromatographic Stationary Phases, J. Chromatogr., 354, 1986, 1-6.) NIST Spectra nist ri
      745 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.23 mm; Column length: 20 m; Column type: Capillary; Start T: 150 C; CAS no: 110861; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Morishita, F.; Morimoto, S.; Kojima, T., Prediction of molecular structures of aza-arenes by retention indices and fluorescence spectra, J. Hi. Res. Chromatogr. ; Chromatogr. Comm., 9, 1986, 688-692.) NIST Spectra nist ri
      733 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 80 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.125 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Svetlova, N.I.; Golovnya, R.V., Reproducible and durable glass capillary columns with hydrogenated apiezon-l and OV-101 for the analysis of polar substances, Zh. Anal. Khim., 61(1), 1986, 127-133., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.28 mm; Column length: 80 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 80 C; End T: 200 C; CAS no: 110861; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Shibamoto, T.; Kamiya, Y.; Mihara, S., Isolation and identification of volatile compounds in cooked meat: sukiyaki, J. Agric. Food Chem., 29, 1981, 57-63.) NIST Spectra nist ri
      735 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 80 C; CAS no: 110861; Active phase: Triacontane; Carrier gas: He; Substrate: Chromosorb W AW (60-80 mesh); Data type: Kovats RI; Authors: Castello, G.; D’Amato, G., Use of Linear and Branched-Chain Paraffinic Liquid Phases as Non-Polar Reference Materials in Gas Chromatography, J. Chromatogr., 175, 1979, 27-35., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 35 m; Column type: Capillary; Start T: 80 C; CAS no: 110861; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.125 um; Data type: Kovats RI; Authors: Samusenko, A.L.; Svetlova, N.I.; Golovnya, R.V., Reproducible and durable glass capilla

      Get instant access to
      all materials

      Become a Member