Imports In 2022, Saint Vincent and the Grenadines imported $21.3k in Sodium hydroxide (caustic soda) in aqueous solution, becoming the 166th 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 840th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Sodium hydroxide (caustic soda) in aqueous solution primarily from: United States ($21.3k).