1. Used in the production of paper and cellulose pulp; used in the production of soap, synthetic detergents, synthetic fatty acids, and the refining of animal and vegetable oils and fats.

2. Used as cotton desizing agent, scouring agent and mercerizing agent in the textile printing and dyeing industry.

3. Used in the chemical industry to produce borax, sodium cyanide, formic acid, oxalic acid, phenol, etc. It is used in the petroleum industry to refine petroleum products and in oil field drilling muds.

4. It is also used for surface treatment in the production of alumina, metallic zinc and metallic copper, as well as in glass, enamel, tanning, medicine, dyes and pesticides.

5. Food-grade products are used as acid neutralizers in the food industry. They can be used as peeling agents for citrus, peaches, etc., and can also be used as detergents for empty bottles, cans and other containers, as well as decolorizing agents and deodorizing agents.

6. Widely used basic analytical reagents. Prepare standard alkali solution for analysis. Absorbent for small amounts of carbon dioxide and moisture. Neutralization of acids. Sodium salt manufacturing. Widely used in papermaking, chemical industry, printing and dyeing, medicine, metallurgy (aluminum smelting), chemical fiber, electroplating, water treatment, exhaust gas treatment, etc.

7. Used as neutralizing agent, cooperating masking agent, precipitating agent, precipitation masking agent, and chromogenic agent for determination of ketosterols by thin layer analysis. Used for sodium salt preparation and saponification agent. Used for manufacturing various sodium salts, soaps, paper pulp, finishing cotton fabrics, silk, viscose fibers, recycling of rubber products, metal cleaning, electroplating, bleaching, etc.

8. In cosmetic creams, this product and stearic acid act as emulsifiers through saponification, and are used to make creams, shampoos, etc.