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Contact SupplierProduct Name: Caustic Soda Flakes
Chemical Name: Sodium Hydroxide
Chemical Formula: NaOH
CAS Number: 1310-73-2
Appearance: White, odorless, solid flakes
Solubility: Highly soluble in water, exothermic reaction
Packaging: Typically available in 25 kg bags, jumbo bags, or as per customer requirements
Grade: Industrial grade, food grade (on specification), reagent grade
Caustic soda flakes are the solid, flaked form of sodium hydroxide. They are produced through the evaporation of liquid caustic soda, resulting in thin, white flakes with high purity (usually ≥98% NaOH). Caustic soda is a strong alkali, highly corrosive, and reacts readily with water, acids, and various organic substances.
Key Properties:Strong alkali used in various chemical processes
Hygroscopic: Absorbs moisture and CO₂ from the air
Highly corrosive to metals, skin, and eyes
Generates heat when dissolved in water (exothermic reaction)
Chemical manufacturing (e.g., sodium compounds, detergents)
Textile processing (mercerization of cotton)
Pulp and paper industry (kraft process)
Water treatment (pH adjustment, softening)
Soap and detergent production
Petroleum refining
Aluminum and metal processing


