Also Called: disodium tetraborate, anhydrous; Borax (Boric acid and tetraborates); Tetraboron disodium heptaoxide, hydrate(Note: see also CAS No. 1330-43-4 & 13840-56-7);Tetraboron disodium heptaoxide, hydrate;Natriumtetraborat;Disodium tetraborate;tetrabór-dinátrium-heptaoxid, hidrát;Boron sodium oxide (B4Na2O7), hydrate;Boron sodium oxide, hydrate;005-011-00-4