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Sodium hydroxide (Caustic Soda/NaOH)

We are reliable and professional Chinese supplier. Good choice, better service! Cooperation with us may help you cut down the cost dramatically and get more flexible payment terms. We have exported more than 10,000mt Sodium hydroxide (Caustic Soda/NaOH) per year, which has been shipped to South America, South East Asia, Russia etc.

How to buy Sodium hydroxide (Caustic Soda/NaOH) ?


1. General description

Sodium hydroxide (Caustic Soda/NaOH) is an inorganic compound with chemical formula NaOH. It is called caustic soda because it is highly corrosive in nature.Sodium hydroxide (Caustic Soda/NaOH) is available in many forms in the industry, and the most common forms are caustic soda flakes and caustic soda pearls. Sodium hydroxide has several industrial applications includes use as a pH regulator in mineral processing,but it is highly reactive, so it has to be used carefully lest, it can cause skin irritation.
La sosa cáustica (hidróxido de sodio) es un compuesto inorgánico con fórmula química NaOH. Se llama soda cáustica porque es altamente corrosiva en el aire. Está disponible en muchas formas en la industria, y las formas más comunes son las escamas de soda cáustica y las perlas de soda cáustica. Este producto tiene varias aplicaciones industriales, pero es altamente reactivo, por lo que debe usarse con cuidado para no causar irritación en la piel.


• White Flake / Pearl

• Highly caustic
• Strong base
• Soluble in water, ethanol and methanol
• Readily absorbs water (hygroscopic) and carbon dioxide from the air
• Strong electrolyte
• Not volatile, but can rise easily in air as an aerosol
• Dissolution of solid caustic soda in water in highly exothermic



Pearl Standard

Flake Standard


99.0% min

99.0% min


0.5% max

0.45% max


0.03% max

0.02% max


0.005% max

0.004% max


Sodium hydroxide (Caustic Soda/NaOH) is one of the basic building blocks in many industrial operations and has a wide range of applications.
•     Aluminum production
•     Bleach cellophane
•     Detergents
•     Drain pipe cleaners
•     Drilling fluids
•     Dyes
•     Food processing
•     Fruit and vegetable peeling
•     Leather manufacturing
•     Metal cleaning soap
•     Ore processing
•     Paint removers
•     Paper pulp, petroleum gas sweetening
•     Pharmaceutical, plastics
•     Rayon sodium oxide source
•     Water treatment

25kgs plastic woven bags or 1100kg jumbo bag


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