CAS 12046-04-7 appears in our catalog under these names: Ammonium pentaborate tetrahydrate, 98% , Ammonium pentaborate tetrahydrate, 99.00%, Ammonium pentaborate tetrahydrate, 99%,RG, 99%,RG. Offered by: Thermo Scientific (Alfa Aesar), Chemat. Available pack sizes: 500g, 2kg, 100g, 2.5kg, 10kg.