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Characteristic
Yttrium boride refers to a crystalline material composed of different proportions of yttrium and boron, such as YB2, YB4, YB6, YB12, YB25, YB50 and YB66. They are all gray-colored, hard solids having high melting temperatures. The most common form is the yttrium hexaboride YB6.
Chemical formula：YB66/YB50/YB25/YB12/YB6/YB4/YB2
Molar mass： 153.77
Appearance： Gray-Black powder, Metallic
Density： 2.52 g/cm3 --- YB66 2.72 g/cm3 --- YB50 3.02 g/cm3 --- YB25 3.44 g/cm3 --- YB12 3.67 g/cm3 --- YB6 4.32 g/cm3 --- YB4
Melting point： 2,750–2,000 °C (4,980–3,630 °F; 3,020–2,270 K)
Solubility in water：Insoluble
Crystal structure：cubic, cP7
Characteristic
Yttrium boride refers to a crystalline material composed of different proportions of yttrium and boron, such as YB2, YB4, YB6, YB12, YB25, YB50 and YB66. They are all gray-colored, hard solids having high melting temperatures. The most common form is the yttrium hexaboride YB6.
Chemical formula：YB66/YB50/YB25/YB12/YB6/YB4/YB2
Molar mass： 153.77
Appearance： Gray-Black powder, Metallic
Density： 2.52 g/cm3 --- YB66 2.72 g/cm3 --- YB50 3.02 g/cm3 --- YB25 3.44 g/cm3 --- YB12 3.67 g/cm3 --- YB6 4.32 g/cm3 --- YB4
Melting point： 2,750–2,000 °C (4,980–3,630 °F; 3,020–2,270 K)
Solubility in water：Insoluble
Crystal structure：cubic, cP7
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