CAS 12045-78-2 appears in our catalog under these names: Potassium tetraborate tetrahydrate/ 99.5%, Potassium tetraborate tetrahydrate, 99% , Potassium tetraborate tetrahydrate, 99.5%, extra pure, Potassium tetraborate tetrahydrate, 99.00%, Potassium tetraborate tetrahydrate, ≥99.5%, ≥99.5%. Offered by: Chemat, Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros), MedChemExpress, Roth. Available pack sizes: 1kg, 500g, 2kg, 5KG, 250g, 100g, 500 g, 100 g.