Terbium Oxide

Terbium Oxide

CAS #: 12037-01-3

Linear Formula: Tb4O7

EC No.: 234-856-3

Terbium oxide is a Inorganic compound, chemical formula: Tb4O7, brown powder, density: 7.3g/cm3, melting point: 2500 ℃, boiling point: 3760 ℃. At 1800 ℃ and 15MPa pressure, Terbium(III) oxide can be obtained by hydrogen reduction and oxidation. It is insoluble in water and soluble in acid to form trivalent salts. It can be volatilized with steam, alkaline, toxic, irritating to eyes, respiratory tract and skin, and can absorb carbon dioxide in the air and generate water soluble salts with Mineral acid.

Application Area:

1. Used as an activator for long afterglow phosphors

2. Used for growing TGG, TSAG crystals, etc

3. It can also be used as a special scintillation ceramic additive, etc

4. Used for the production of metal terbium.

Product Series

PRODUCT Product Code SAFETY DATA TECHNICAL DATA
Terbium Oxide 99.99% ET-Tb-02


Terbium Oxide 99.99%
Terbium Oxide 99.999% ET-Tb-03 Terbium Oxide 99.999%

Properties (Theoretical)

Compound Formula O7Tb4
Molecular Weight 747.69
Appearance Brown powder
Melting Point N/A
Boiling Point N/A
Density 7.3 g/cm3
Solubility in H2O N/A
Exact Mass 747.66579
Monoisotopic Mass 747.66579

Health & Safety Information

Signal Word N/A
Hazard Statements N/A
Hazard Codes N/A
Precautionary Statements N/A
Flash Point Not applicable
Risk Codes N/A
Safety Statements N/A
RTECS Number N/A
Transport Information NONH
WGK Germany 3

Packaging Specifications

Finished packaging: 50 kg / barrel, 500 kg / tray, ton bag packaging

Sample packaging: 500 g / bag, 1 kg / bottle


About Terbium Oxide
About Terbium Oxide

The production method of Terbium Oxide is mainly oxalic acid precipitation method, that is, taking Terbium(III) chloride or Terbium(III) nitrate solution as raw material, adjusting the Ph value to 2 with oxalic acid, adding ammonia to precipitate terbium oxalate, heating, curing, separation, washing, drying at 110 ℃, and burning at 900~1000 ℃ to form terbium oxide.

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