Caustic Soda is frequently transported in which containers?

Caustic soda, also known as sodium hydroxide, is typically transported in covered hopper cars because these specialized rail cars are designed to carry bulk dry materials like granules and powders. The design of covered hopper cars allows for efficient loading and unloading while protecting the chemical from contamination and environmental exposure.

While other containers such as cylinders and drums can be used for transporting caustic soda, they are not the primary choice for large quantities. Cylinders are usually reserved for gases and smaller volumes, while drums are more suited for liquids but are limited in volume compared to hopper cars. Tank trucks can also transport liquids, including caustic soda, but for bulk solids, covered hopper cars remain the more common and practical option.