Imports In 2022, Nepal imported $10.8k in Sodium hydroxide (caustic soda) in aqueous solution, becoming the 171st largest importer of Sodium hydroxide (caustic soda) in aqueous solution in the world. At the same year, Sodium hydroxide (caustic soda) in aqueous solution was the 3494th most imported product in Nepal. Nepal imports Sodium hydroxide (caustic soda) in aqueous solution primarily from: India ($9.29k) and United States ($1.48k).