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[Chemical Knowledge]：Properties and Uses of Barium Chloride

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Barium chloride is an important inorganic salt chemical raw material, which is widely used in chemical industry, metallurgy, medicine, food and other fields. This article will detail the properties and uses of barium chloride.

1. the properties of barium chloride

1. Physical properties

barium chloride is a white crystalline powder with a high melting point (about 963 ℃) and boiling point (about 1560 ℃). It is insoluble in water, but easily soluble in acidic solutions such as hydrochloric acid and nitric acid. Barium chloride also has good thermal and chemical stability, and can remain stable under high temperature and acidic conditions.

2. chemical properties

barium chloride has strong chemical activity and can react with many compounds. Among them, the most common is the reaction with sulfate to produce barium sulfate precipitation. In addition, barium chloride can also react with carbonates, phosphates, etc. to form corresponding precipitates.

2. the use of barium chloride

1.

in the chemical industry In the chemical industry, barium chloride is widely used as a catalyst, desiccant and dehydrating agent. For example, in the production of polyester, barium chloride can be used as a catalyst to promote the esterification reaction; in the production of vinyl chloride, barium chloride can be used as a drying agent to remove water from the raw materials.

2. Metallurgical field

In the field of metallurgy, barium chloride is often used to extract metallic barium and other metals. By reacting with the corresponding metal oxide, barium chloride can convert the metal element into a soluble salt, and then realize the extraction and separation of the metal.

3.

in the field of medicine In the field of medicine, barium chloride is often used as a pharmaceutical raw material or auxiliary agent. For example, it can be used as a raw material for cardiovascular drugs for the treatment of diseases such as arrhythmia. In addition, barium chloride can also be used for the preparation of barium meal and other medical reagents.

4. Food field

In the food field, barium chloride can be used as a food additive to adjust the taste and texture of food. For example, in some soy products, barium chloride can increase the hardness and elasticity of tofu.

In short, barium chloride, as an important inorganic salt chemical raw material, has a wide range of uses in the field of chemical production raw materials.

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