Product Details
| Product Name: Bismuth trioxide | CAS No.: 1304-76-3 |
| EC-No.: 215-134-7 | Min. Order: 1T |
| Purity: 99% | Supply Ability: 20tons |
| Release date: 2025/06/20 |
Bismuth(III) oxide is perhaps the most industrially important compound of bismuth. It is also a common starting point for bismuth chemistry. It is found naturally as the mineral bismite (monoclinic) and sphaerobismoite (tetragonal, much more rare), but it is usually obtained as a by-product of the smelting of copper and lead ores. Bismuth trioxide is commonly used to produce the "Dragon's eggs" effect in fireworks, as a replacement of red lead.
Character: Yellow heavy powder or monoclinic crystal. No smell. Stable in the air. Soluble in hydrochloric acid and nitric acid, insoluble in water. It turns maroon when heated and still yellow when cooled. Relative density 8.5. Melting point is 820 ℃. The boiling point of 1890 ℃.
Application: Analytical reagent. Make bismuth salts. Ceramic coloring. The manufacture of fire-proof paper. The catalyst. High purity material.
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