Caustic Soda Flakes 99% 25KG
Caustic Soda Flakes 99% is a high-purity, industrial-grade alkaline chemical widely used in manufacturing, water treatment, soap production, chemical processing, food processing (regulated applications), and cleaning formulations. Known for its strong alkalinity and fast solubility in water, sodium hydroxide flakes provide consistent performance, reliable pH control, and effective grease and organic matter removal in industrial and commercial environments.
Chemical Name Sodium Hydroxide
Synonyms Caustic Soda, Lye, Sodium Hydrate, Soda Lye, NaOH, White Caustic, Solid Sodium Hydroxide
CAS Number 1310-73-2
Appearance White, odorless, hygroscopic solid flakes that readily absorb moisture from air and dissolve rapidly in water while releasing heat.
Key Properties High purity (≥99%), strong alkaline base, highly soluble in water, exothermic dissolution, powerful degreasing capability, effective pH regulator, reacts with acids and organic materials, excellent saponification agent, moisture absorbing, stable under normal storage conditions when kept dry and sealed.

Uses Soap and detergent manufacturing, water and wastewater treatment, pulp and paper processing, textile manufacturing, chemical production, petroleum refining, food processing (approved applications), metal cleaning and degreasing, drain cleaning formulations, biodiesel production, pH adjustment in industrial processes, alumina refining and surface treatment applications.
Storage Store in tightly sealed, corrosion-resistant containers in a cool, dry, and well-ventilated area away from moisture, acids, aluminum, organic materials, and incompatible substances. Protect from humidity and direct sunlight. Use appropriate secondary containment and ensure containers are clearly labeled according to chemical safety standards.
Safety & Handling (SDS Summary) Highly corrosive; causes severe burns to skin and eyes. Always wear appropriate PPE including chemical-resistant gloves, goggles, face shield, and protective clothing. Avoid inhalation of dust and contact with skin or eyes. Add flakes slowly to water—never add water to caustic soda—to prevent violent reactions and splashing. Use proper ventilation and emergency eyewash/shower stations. In case of exposure, rinse immediately with plenty of water and seek medical attention. Follow all local safety regulations and consult the official Safety Data Sheet before use.
| Weight | N/A |
|---|---|
| Size | 5KG, 25KG |











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