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Bismuth Oxide

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Bismuth Trioxide - Bi2O3 is a light yellow color powder, which turns orange red upon heating, and aftercooling turns light yellow. It has five crystallographic polymorphs. The room temperature phase, α-Bi2O3 has a monoclinic crystal structure. There are three high temperature phases, a tetragonal β-phase , a body-centred cubic γ-phase, a cubic δ-phase and an ε-phase. The room temperature α-phase has a complex structure with layers of oxygen atoms with layers of bismuth atoms between them.


CAS No. 1304-76-3

Molar mass

465.96 g/mol

Density

8.90 g/cm3

Molar mass

187.444 g/mol

Melting point

817 °C, 1090 K, 1503 °F

Boiling point

1,890 °C (3,430 °F; 2,160 K)

Purity 99.9%, 99.95%


To Learn more about Bismuth Oxide please see the below link

Wikipedia - Bismuth Oxide
Science Lab MSDS - Bi2O3
Nature.com Research of Bi2O3
Alibaba - Bi2O3
Wikipedia - Bi


Bismuth Trioxide  as a new kind of enviromental protection material has completly replaced the toxic material that may contain lead, which are widly used in chemical and electronic industry. It also can be used in top-grade glass producing, electronic welding material, fireworks additives and bismuth products producing.
 

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