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Boron Nitride Chemical Properties Boron Nitride (Semiconductor Material) General Name Boron nitride Chemical formula BN Appearance White solid CAS Number 10043-11-5 Physical Formula weight 24.818 g/mol Melting Point 2967 °C Boiling point 3273 °C Density 2.18×103 kg/m3 Crystal structure hexagonal or tetrahedral-cubic Solubility insoluble Thermochemistry ΔfH0gas 476.98 kJ/mol ΔfH0solid -250.91 kJ/mol S0gas, 1 bar 212.36 J/mol·K S0solid 14.77 J/mol·K Heat of fusion 3263.8 J/g Safety Risk phrases R36 R37 Ingestion  ? Inhalation  ? Skin  ? Eyes  ? More info  ? SI units were used where possible. Unless otherwise stated, standard conditions were used. More Information: N/A Source: Wikipedia article Boron Nitride

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