7957. Pyrazine

Nomenclature

CAS number: 290-37-9
1,4-Diazine; paradiazine.
C4H4N2; mol wt 80.09.
C 59.99%, H 5.03%, N 34.98%.

Description and 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).

Chemical structure

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.