The chemical formula is HF, and it is a colorless liquid. Below is an introduction to its properties, uses, preparation methods, and safety information:

Properties:
1. It is a strong acid that can completely dissociate in aqueous solution, producing hydrogen ions (H+) and fluoride ions (F-).
2. It is highly corrosive. Contact with skin and eyes can cause burns and even severe tissue damage.
3. It reacts actively with many organic and inorganic substances and can undergo violent reactions with silicate materials such as glass.

Uses:
1. It is widely used in various fields of industrial production, such as metal surface treatment, electroplating, glass etching, petroleum refining, and chemical synthesis.
2. It can also be used as a fluorinating agent, catalyst, and solvent for certain chemical reactions in laboratories.
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