Caustic soda or sodium hydroxide (NaOH) is a strong chemical compound with alkaline properties. This compound is known as a white salt solid with the chemical formula NaOH and is used in many industries and products.
As a highly alkaline chemical, caustic soda has a variety of uses. Some of the main uses of caustic soda are:

- Production of soap and detergents
- Use in oil refining industries
- Production of paper and cellulose
- Production of chemicals such as plastic and resin
- Use in medical industry to adjust PH
- Use in water and sewage treatment
The use of caustic soda should be done with caution and attention to the principles of chemical safety, because this substance can be irritating and dangerous. At the same time, this material is in contact with water and air, it produces heat and dangerous gases.
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