TERBIUM manufacturers and suppliers

TERBIUM suppliers

Properties

Melting point:: 1356 °C (lit.)

Boiling point:: 3230 °C (lit.)

Density: 8.234 g/mL at 25 °C (lit.)

form: powder

Specific Gravity: 8.234

color: Silver-gray

Resistivity: 116 μΩ-cm, 20°C

Water Solubility: Insoluble in water.

Sensitive: Air & Moisture Sensitive

Merck: 13,9232

Exposure limits: ACGIH: TWA 2 ppm; STEL 4 ppm
OSHA: TWA 2 ppm(5 mg/m3)
NIOSH: IDLH 25 ppm; TWA 2 ppm(5 mg/m3); STEL 4 ppm(10 mg/m3)

Stability:: Stable, but moisture sensitive. Reacts with halogens, strong acids. The powder is highly flammable.

Safety Information

Symbol(GHS): GHS02,GHS07

Signal word: Danger

Hazard statements: H228-H251-H315-H319-H413

Precautionary statements: P210-P235-P240-P273-P302+P352-P305+P351+P338

Hazard Codes: F,T

Risk Statements: 11-34-23/24/25

Safety Statements: 22-24/25-36/37/39-33-16-45-28-27-26

RIDADR: UN 3089 4.1/PG 2

WGK Germany: 3

TSCA: Yes

HazardClass: 8

PackingGroup: III

HS Code: 28053013

Use

Terbium is primarily used in phosphors, particularly in fluorescent lamps and as the high intensity green emitter used in projection televisions, such as the yttrium-aluminum-garnet (tb:yag) variety. Terbium responds efficiently to x-ray excitation and is, therefore, used as an x-ray phosphor. Terbium compounds are useful biological probes due to the long emission lifetime of terbium. Terbium alloys are also used in magneto-optic recording films, such as tbfeco. Terbium is also used in alloys and in the production of electronic devices.

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