Synonyms: Lime; Quicklime Formula: CaO Formula Weight: 56.08 CAS No.: 1305-78-8 Density: 3.3 g/mL at 25 °C(lit.) General description: Units are 10% in excess of stated weight to compensate for the loss of H 2 O and CO 2 Packaging: 2.5 kg in poly drum Packaging: 500 g in poly bottle