补充信息：
Silicon Dioxide (SiO₂) is a chemical compound with CAS number 7631-86-9. It is commonly known as silica and exists in various forms, including quartz, sand, and amorphous silica. Widely used in industries, it serves as a key ingredient in glass, ceramics, and cement production. In food, it acts as an anti-caking agent, while in pharmaceuticals, it is used as a flow agent in tablets. Its high thermal stability and inertness make it valuable in electronics, particularly in semiconductor manufacturing. Additionally, it is used in cosmetics, paints, and as a desiccant due to its moisture-absorbing properties.
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