1. Determination of lead, zinc, aluminum, iron, cobalt, ruthenium, nickel and tin. Complexing stabilizer. Auxiliary agent, buffer, desiccant, mordant for acetylation.
2. For the determination of lead, zinc, aluminum, iron, cobalt, antimony, nickel, tin. It is used as an esterification agent for organic synthesis, as well as photographic drugs, medicines, printing and dyeing mordants, buffers, chemical agents, meat preservation, pigments, tanning and many other aspects. 
3. Used as a buffer, flavoring, flavoring and pH modifier. As a buffering agent for flavoring agents, 0.1% to 0.3% can be used to alleviate bad odors and prevent discoloration and improve flavor. It has a certain anti-mildew effect, such as using 0.1% to 0.3% of fish meat products and bread. It can also be used as a sour agent for sauces, sauerkraut, mayonnaise, fish cakes, sausages, breads, sticky cakes, etc. It is mixed with methyl cellulose, phosphate, etc. to improve the preservation of sausages, breads, sticky cakes, etc.
4. It is used as a scorch inhibitor for sulfur-regulated neoprene coking, and the amount is generally 0.5 parts by mass.
5. It can be used for the addition of alkaline electroplating tin, but it has no obvious influence on the plating and electroplating process, and is not an essential component. Sodium acetate is often used as a buffer, such as for acid galvanizing, alkaline tin plating, and electroless nickel plating.