CAS 12047-27-7 appears in our catalog under these names: Barium titanium oxide, 99.95% (metals basis) , Barium titanium oxide, high surface area , Barium titanium oxide, 99.9% (metals basis) , Barium titanium oxide, 99.7% (metals basis) , Barium titanium oxide, 99% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 25g, 100g, 5g, 500g, 50g, 2kg.