Imports In 2008, Saint Vincent and the Grenadines imported $37 in Trisodium phosphate, becoming the 0th largest importer of Trisodium phosphate in the world. At the same year, Trisodium phosphate was the 0th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Trisodium phosphate primarily from: N/A.