Imidazole (C3H4N2) CAS No.288-32-4 Appearance: White crystal Content: 99.5%min. Moisture: 0.20% max. Melting point: 88-91 Boiling point: 257 Flash point: 145 Residue on ignition: 0.08% max. Specific gravity( SG): 1.0303 Package: 25KG/fibre drum, inner lined with double layer plastic bag 1X 20FCL : 9MT ( with pallet package ) / 12MT ( non-pallet)