Terbium

CAS 7440-27-9TbCatalysis & Inorganic

Terbium (Tb), CAS 7440-27-9, is a rare-earth metal with a molar mass of 158.93 g/mol. Known for its unique luminescent properties, it primarily finds application in the development of phosphors for lighting and display technologies, as well as in solid-state lasers and magnetic materials. TSS supplies Terbium in chip form with high purity.

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Terbium (Tb) — chemical element, CAS 7440-27-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisMaterials ScienceMetal and Ceramic ScienceMetalsTerbium More...

01 /Applications

Phosphor Technology

Terbium compounds are crucial components in phosphors used in fluorescent lamps, cathode ray tubes, and other display devices, emitting a characteristic green light when excited.

Solid-State Lasers

Doping other materials with Terbium ions allows for the creation of solid-state lasers, particularly in the green spectral region, useful for various scientific and industrial applications.

Magnetic Materials

Terbium is a key element in the production of terbium-gallium garnet (TGG), a material with high Faraday rotation, making it essential for optical isolators and modulators.

Catalysis

Certain Terbium compounds exhibit catalytic activity in various organic synthesis reactions, contributing to advancements in chemical processing.

02 /Properties

Molecular weight	158.93
Empirical formula	Tb
Assay	99.9% (REO)
Form	chips
Boiling point	3230 °C(lit.)
Density	8.234 g/mL at 25 °C(lit.)
Melting point	1356 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

Hazard statements

H228Flammable solid

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F
Risk statements (R)	11

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

7440-27-9

MDL number

MFCD00011256

05 /Additional specifications

Resistivity	116 μΩ-cm, 20°C
Size	25 mm × 25 mm × 1 mm

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Terbium (CAS 7440-27-9) used for?

Terbium (CAS 7440-27-9) is primarily used in phosphor technology for lighting and displays, in solid-state lasers, and in magnetic materials. It also finds applications in catalysis.

What is the CAS number and chemical formula for Terbium?

The CAS number for Terbium is 7440-27-9, and its chemical formula is Tb.

What grade and purity does Tech Serve Solutions supply for Terbium?

Tech Serve Solutions supplies Terbium with an assay of 99.9% (REO). We do not represent this product as USP, BP, or EP grade.

How should Terbium be handled and stored?

Terbium is flammable and should be handled with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store away from ignition sources (P210).

How is Terbium packed and exported by TSS?

Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals like Terbium, ensuring appropriate packaging for safe international shipment.