Used in chemical manufacturing, pH adjustment, soap production, pulp and paper, and water treatment. It is also applied in biodiesel processing and surface cleaning formulations.

Corrosive to all tissues; causes severe burns on contact. Use full PPE and face protection. Avoid contact with acids, metals, and moisture.

Supplied in 25–50 kg HDPE-lined bags or drums. Store in dry, sealed conditions with segregation from acids and organic materials.