Pyrazine
Title: Pyrazine
CAS Registry Number: 290-37-9
Additional Names: 1,4-Diazine; paradiazine
Molecular Formula: C4H4N2
Molecular Weight: 80.09
Percent Composition: C 59.99%, H 5.03%, N 34.98%
Literature References: Prepn: S. Gabriel, G. Pinkus, Ber. 26, 2197 (1893); P. Brandes, C. Stoehr, J. Prakt. Chem. [2] 54, 481 (1896). See also: Beilstein XXIII, 91 (1936). Crystal structure: G. De With et al., Acta Crystallogr. B32, 3178 (1976).
Properties: Crystals or wax-like solid. Strong pyridine-like odor. d461 1.031; mp 53°; bp 115-118°; nD61 1.4953. Freely sol in water, alcohol, ether. Volatile with steam.
Melting point: mp 53°
Boiling point: bp 115-118°
Index of refraction: nD61 1.4953
Density: d461 1.031

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