Caustic soda flake / caustic soda

Caustic Soda Flakes — Sodium Hydroxide

What Is It?

Caustic soda is a common name for sodium hydroxide (NaOH), a strong alkali used as a chemical raw material and process reagent. The terms “caustic soda”, “sodium hydroxide”, “lye”, and “caustic” refer to the same substance. For this product, the key characteristics are the flake form

Key Characteristics:

Applications

Caustic soda flakes are used in chemical and industrial processes, for alkalinity and pH adjustment, in the manufacture of cleaning agents, for cleaning and degreasing, in water treatment and wastewater treatment, and in other processes where sodium hydroxide is specified by the technology. The required working-solution concentration and method of use depend on the specific process.

Dissolving in Water

Sodium hydroxide flakes readily dissolve in water. Dissolution releases a significant amount of heat, so heat generation must be taken into account when preparing solutions. Appropriate equipment and safety procedures must be used.

Other Forms of Sodium Hydroxide

This product page is for caustic soda flakes If another form is required, Novohim also offers sodium hydroxide granules and liquid sodium hydroxide 47%. A detailed comparison of granules, flakes, and liquid solution will be provided in a separate Knowledge Center article.

Storage

Sodium hydroxide must be protected from moisture and exposure to air. Store the product in tightly closed packaging in a dry, enclosed area in accordance with the applicable product documentation.

Limitations and Material Compatibility

Caustic soda is a strong alkali and should not be considered universally compatible with all materials. For tanks, piping, pumps, seals, and other equipment, material resistance to sodium hydroxide must be evaluated for the specific concentration and temperature.

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Safety

Sodium hydroxide is a corrosive alkaline substance. Contact with the product or concentrated solutions can cause severe skin burns and eye damage. Appropriate personal protective equipment must be used, and the current safety documentation must be followed.

Frequently Asked Questions

Are caustic soda and sodium hydroxide the same substance?
Yes. Caustic soda is a common name for sodium hydroxide (NaOH). This product page is for the 98% flake form.
Can caustic soda flakes be dissolved in water?
Yes, but dissolution releases a significant amount of heat, which must be taken into account when preparing the solution.
What is the packaging?
25 kg bag.
Are other forms of sodium hydroxide available?
Yes. Novohim also offers sodium hydroxide granules 99% and liquid sodium hydroxide 47%.

Buy Caustic Soda Flakes

Novohim offers caustic soda flakes (sodium hydroxide, NaOH) in 25 kg bags. If another form of NaOH is required for the process, sodium hydroxide granules or liquid sodium hydroxide 47% can be selected.