Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature.

Aug 29, 2025 · Calcium oxide, with the chemical formula CaO, is known as quicklime or burnt lime. This substance has been utilized by humans for centuries, with evidence of its use in ancient civilizations …

Feb 18, 2026 · Limestone is a source of lime (calcium oxide), which is used in steel manufacturing, mining, paper production, water treatment and purification, and plastic production.

Description Calcium oxide appears as an odorless, white or gray-white solid in the form of hard lumps. A strong irritant to skin, eyes and mucous membranes. Used in insecticides and fertilizers.

Calcium oxide, commonly known as lime, is a chemical compound with the formula CaO. Calcium oxide, also known as quicklime, is an alkaline substance that has been in use since the medieval age.

Discover the properties, uses, reactions, and safety of calcium oxide (CaO/quicklime) with clear charts, equations, and exam-ready examples.

First Aid Excerpt from NIOSH Pocket Guide for Calcium oxide: Eye: IRRIGATE IMMEDIATELY - If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, …

Calcium Oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound with a crystalline, white appearance. This alkaline, inorganic compound is a key ingredient in various …

Calcium oxide (formula: Ca O), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkali ne, crystal line solid at room temperature.

Calcium oxide Calcium oxide IUPAC name Calcium Oxide Properties Molecular formula CaO Molar mass 56.1 g/mol Appearance White solid Density 3350 kg/m³, solid