1. Inorganic sodium nitrate particles are used as decolorizer of molten caustic soda and other nitrates in industry.

2. Sodium nitrate can be used as a coloring agent for meat processing in the food industry, which can prevent meat from spoiling and play a role in seasoning.

3. Sodium nitrate can be used as quick acting fertilizer for acid soil in fertilizer industry, especially for root crops, such as beet, radish, etc.

4. Sodium nitrate can be used as the raw material of picric acid and dyestuff in dye industry.

5. Sodium nitrate can be used as heat treatment agent for steel making and aluminum alloy in metallurgical industry.

6. Sodium nitrate can be used as metal cleaning agent and black metal bluing agent in Mecheng industry.

7. Sodium nitrate can be used as penicillin medium in pharmaceutical industry.