PyrimidinePyrimidine (C4H4N2; ) is an aromatic, heterocyclic, organic compound similar to pyridine (C5H5N). One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has nitrogen atoms at positions 1 and 3 in the ring. Read from the Chembox of the Wikipedia article Pyrimidine, revision 1380035621.

Property

Value

Formula

C4H4N2, 80.09 g/mol

Melting point

21 °C

Boiling point

123.5 °C

Density

1.016 g/cm³

pKa

1.1

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