102967-73-7 12505-77-0 1303-86-2 144919-64-2 163701-88-0 56116-04-2 56145-44-9 56312-91-5 56312-92-6 56312-93-7 56312-94-8 91863-27-3 AI3-51845 BORON OXIDE Boric acid (HBO2), anhydride Boric anhydride Boric oxide Boric oxide (B2O3) Boron oxide (B2O3) Boron sesquioxide Boron trioxide Caswell No. 109B Diboron trioxide EINECS 215-125-8 Fused boric acid HSDB 1609