[Chemical Knowledge]：What is sodium nitrate?

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Sodium nitrate is an inorganic compound with the chemical formula NaNO3, also known as ordinary sodium nitrate. Under certain conditions, sodium nitrate can be used to prepare other substances, and it is also widely used in industry.

sodium nitrate can be obtained by the reaction of silver nitrate and sodium chloride. Sodium nitrate is colorless, transparent and well crystallized, which can be used as fertilizer and grassland yield increasing agent. Sodium nitrate is also one of the raw materials for gunpowder and fireworks.

sodium nitrate can also be used to prepare other substances, such as nitrocellulose, nitrocellulose and nitromethane. Nitrocellulose is a very important explosive material, which is widely used in the manufacture of gunpowder, fireworks, mines, grenades, etc. Nitromethane also has a wide range of applications in organic chemistry, such as the synthesis of organic compounds such as ethyl formate and methyl acetate.

In addition, sodium nitrate has certain medical applications. Sodium nitrate is mainly used in medicine to treat heart disease symptoms such as angina pectoris and high blood pressure, because it can dilate blood vessels to increase blood flow. In addition, sodium nitrate can also be used as a precursor of drugs for the synthesis of some organic compounds for medical purposes.

In general, sodium nitrate has a wide range of applications in various industries, such as fertilizer, gunpowder, medical and other fields. At the same time, sodium nitrate is also a very important chemical raw materials, in the modern chemical industry has an irreplaceable position and role.

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