Basstech international is the largest north american supplier of barium salts, including barium carbonate. starting from supplying the crt glass industry to being the premier supplier to brick and specialty industries, basstech has handled barium carbonate from barge ships to containerload to palletload quantities. Barium carbonate powder using glass making cas no 513-77-9 product description barium carbonate barium carbonate (baco3), also known as witherite, is a chemical compound used in rat poison, bricks, ceramic ... There are 942 barium carbonate powder suppliers, mainly located in asia. the top supplying countries are china, india, and belgium, which supply 93%, 1%, and 1% of barium carbonate powder respectively. barium carbonate powder products are most popular in eastern europe, south asia, and southeast asia. Molar mass : 197.34 g/mol. we are a well-known barium carbonate importer, manufacturer, supplier and exporter in alwar, rajasthan. the barium carbonate that we offer is a white light powder. barium carbonate is poisonous and used for making other barium salts and in rat poison.