Appearance: White crystals or powder Synonyms: Boric anhydride, Anhydrous Boric Acid, Boron Oxide Molecular Formula: B2O3 M.W.: 69.62 CAS#: 1303-86-2 EINECS#: 215-123-8 Advantages: High purity, Excellent homogeneity, Low Impurity. Main Application: Specialty glasses; Specialty ceramics; Refractories; Glazes and enemels; Metallurgy; Borates polymers and Chemical reactions. Quality Standard: 99%, 98.5%, 98%