CAS Number: 290-37-9 Molecular Formula: C4H4N2 Molecular Weight: 80.09 g/mol Appearance: Colorless crystals Melting Point: 52°C Boiling Point: 115°C Density: 1.031 g/cm³ Usage: Used as an intermediate in pharmaceuticals, perfumes, and dyes. Disclaimer: The above content is for reference and communi…