Pyridine

• Formula: C₅H₅N
• Molecular weight: 79.0999
• IUPAC Standard InChI: InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H Copy

  
• IUPAC Standard InChIKey: JUJWROOIHBZHMG-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-86-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Isotopologues:
  • Pyridine-D5-
• Other names: Azabenzene; Azine; NCI-C55301; Piridina; Pirydyna; Pyridin; Rcra waste number U196; UN 1282; Pyr; CP 32; NSC 406123
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• Information on this page:
  • Normal melting point
  • References
  • Notes
• Other data available:
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Normal melting point

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

References

Go To: Top, Normal melting point, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Guanquan, Ott, et al., 1986
Guanquan, C.; Ott, J.B.; Goates, J.R., (Solid + liquid) Phase Equilibria and Solid-Compound Formation in Tetrachloromethane + furan, + Pyridine, and + N-methylpyrrole, J. Chem. Thermodyn., 1986, 18, 603. [all data]

Goates, Ott, et al., 1973
Goates, J.R.; Ott, J.B.; Reeder, J., Solid + liquid phae equilibria and solid compound formation in hexafluorobenzene + benzene, + pyridine, + furan, and + thiophen, J. Chem. Thermodyn., 1973, 5, 135. [all data]

Assal, 1966
Assal, F.A., Vapour-liquid equilibria in phenol-pyridine base systems, Bull. Acad. Pol. Sci., Ser. Sci. Chim., 1966, 14, 603. [all data]

Cioffi and Messer, 1966
Cioffi, F.J.; Messer, C.E., Solid-Liquid Equilibria in the Benzene-Pyridine System, J. Chem. Eng. Data, 1966, 11, 532. [all data]

Hollo, Lengyel, et al., 1958
Hollo, J.; Lengyel, T.; Uzonyi, G., Determination of the system heptane + toluene + pyridine + butanol, Magy. Kem. Lapja, 1958, 13, 440. [all data]

Biddiscombe, Coulson, et al., 1954
Biddiscombe, D.P.; Coulson, E.A.; Handley, R.; Herington, E.F.G., The Preparation and Physical Properties of Pure Pyridine and Some Methyl Homologues, J. Chem. Soc., 1954, 1954, 1957. [all data]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Kennard and McCusker, 1948
Kennard, S.M.S.; McCusker, P.A., Some systems of carbon halides with dixane, pyridine and cyclohexane, J. Am. Chem. Soc., 1948, 70, 3375. [all data]

Hoffman and Vanderwerf, 1946
Hoffman, K.R.; Vanderwerf, C.A., Addition Compounds of Sulfur Dioxide with Pyridine and the Picolines, J. Am. Chem. Soc., 1946, 68, 997. [all data]

Timmermans and Hennaut-Roland, 1937
Timmermans, J.; Hennaut-Roland, M., Works from International Bureau at Physical-Chemical Standards. VIII. Physical constants of 20 organic compounds, J. Chim. Phys. Phys.-Chim. Biol., 1937, 34, 693. [all data]

Parks, Todd, et al., 1936
Parks, G.S.; Todd, S.S.; Shomate, C.H., Thermal data on organic compounds. XVII. Some heat capacity, entropy and free energy data for five higher olefins, J. Am. Chem. Soc., 1936, 58, 2505. [all data]

Parks, Todd, et al., 1936, 2
Parks, G.S.; Todd, S.S.; Moore, W.A., Thermal Data on Organic Compounds. XVI. Some Heat Capacity, Entropy and Free Energy Data for Typical Benzene Derivatives and Heterocyclic Compounds, J. Am. Chem. Soc., 1936, 58, 398. [all data]

Arndt and Nachtway, 1926
Arndt, F.; Nachtway, P., Isolation of pyridine in pure form through the perchlorate. Pyridine ammonia and indicators. Pyridinium perchlorate as an acid titration standard, Ber. Dtsch. Chem. Ges. B, 1926, 59, 448. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Hatcher and Skirrow, 1917
Hatcher, W.H.; Skirrow, F.W., The compounds of phenol and the cresols with pyridine., J. Am. Chem. Soc., 1917, 39, 1939. [all data]

Bramley, 1916
Bramley, A., The Studyu of Binary Mixtures. Part III. Freezing Point Curves, J. Chem. Soc., 1916, 109, 469. [all data]

Timmermans, 1912
Timmermans, J., Experimental Research on the Density of Liquids Below 0 Degrees., Sci. Proc. R. Dublin Soc., 1912, 13, 310. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]

Beckmann and Waentig, 1910
Beckmann, E.; Waentig, P., Cryoscopic Measurements at Low Temperatures, Z. Anorg. Chem., 1910, 67, 17. [all data]

Timmermans, 1910
Timmermans, J., The Purification and Physical Constants of Several Organic Liquids, Bull. Soc. Chim. Belg., 1910, 24, 244. [all data]

Baud, 1909
Baud, E., The system water & pyridine, Bull. Soc. Chim. Fr., 1909, 5, 1022. [all data]

Timmermans, 1907
Timmermans, J., New research on the density of liquids below zero, Bull. Soc. Chim. Belg., 1907, 21, 395. [all data]

Von Zawidzki, 1906
Von Zawidzki, J., Some physical constraints of pure pyridine, Chem.-Ztg., 1906, 30, 299. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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