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Terbium (Tb) Metal

Terbium (Tb) is a soft, silvery rare earth metal. It is one of the least abundant rare earth metals. It is malleable, ductile, and soft; it can be cut with a knife. Terbium is relatively stable in air but is more reactive in powder form.

Purity 99-99.9%
Typical Applications

Terbium (Tb) is used in low-energy light bulbs and mercury lamps, enhancing safety in medical x-rays. It is used in ceramics, paints, lasers, devices with visual displays, and fluorescent lamps to impart a green color. It is also a dopant in manufacturing semiconductors and other solid-state devices.

Packaging Options

Ampouled under argon and packaged in air-stable poly bottle


Terbium Metal (Tb) and Powder TSCA (SARA Title III) Status: Listed. For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Terbium Metal (Tb) and Powder CAS Number: 7440-27-9
Terbium Metal (Tb) and Powder UN Number: 1383 (powder) and 3178 (other)

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