Ytterbium(III) fluoride

Ytterbium(III) fluoride (YbF3) is an inorganic chemical compound that is insoluble in water.

Like other Ytterbium compounds, it is a rather unremarkable white substance.

[3] Ytterbium fluoride has found a niche usage as a radio-opaque agent in the dental industry to aid in the identification of fillings under X-ray examination.

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NFPA 704 four-colored diamond Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform Flammability 0: Will not burn. E.g. water Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen Special hazards (white): no code