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**Molecular formula:** CO₂ **Molar mass:** 44.009 g/mol **Description:** Carbon dioxide is a colorless, odorless, and tasteless gas. While it is not inherently toxic, high concentrations can cause asphyxiation by displacing oxygen. Carbon dioxide is denser than air and is a significant contributor to the greenhouse effect. **Applications:** Carbon dioxide is used as a raw material for the production of various inorganic and organic compounds. Solid carbon dioxide, commonly known as dry ice, is used as a refrigerant. Liquid carbon dioxide is used in snow-type fire extinguishers. **Occurrence:** Carbon dioxide is naturally formed during processes such as respiration, fermentation, and decomposition. It is also the final product of the complete combustion of organic substances.
