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Tetraterbium heptaoxide

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CAS:12037-01-3
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Tetraterbium heptaoxide manufacturers

  • Terbium Oxide
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  • 2022-08-22
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Tetraterbium heptaoxide Basic information
Product Name:Tetraterbium heptaoxide
Synonyms:TERBIUM(III, IV) OXIDE, NANOPOWDER, <100NM, 99.5 %;TERBIUM(III,IV) OXIDE, 99.999%;TERBIUM PEROXIDE;TERBIUM(III IV) OXIDE NANOPARTICLES 9;Terbium(III, IV) oxide, 99.90%;Terbium(III,IV) oxide, 99.9% (REO);Terbium(III,IV) oxide, REacton(R), 99.9% (REO);Terbium(III,IV) oxide, REacton(R), 99.998% (REO)
CAS:12037-01-3
MF:O7Tb4-2
MW:747.7
EINECS:234-856-3
Product Categories:metal oxide;Catalysis and Inorganic Chemistry;Chemical Synthesis;Oxides;Terbium;TerbiumMetal and Ceramic Science;65: Tb;TerbiumNanomaterials;Materials Science;Nanomaterials;Nanoparticles: Oxides, Nitrides, and Other CeramicsChemical Synthesis;Nanopowders and Nanoparticle Dispersions;Rare earth
Mol File:12037-01-3.mol
Tetraterbium heptaoxide Structure
Tetraterbium heptaoxide Chemical Properties
Melting point 2340°C
density 7.3 g/mL at 25 °C(lit.)
storage temp. Inert atmosphere,Room Temperature
form Powder
Specific Gravity6.27
color brown to black
Water Solubility insoluble
Merck 14,9157
CAS DataBase Reference12037-01-3(CAS DataBase Reference)
EPA Substance Registry SystemTerbium oxide (Tb4O7) (12037-01-3)
Safety Information
Safety Statements 24/25
WGK Germany 3
TSCA Yes
HS Code 28469016
MSDS Information
ProviderLanguage
Terbium(III,IV) oxide English
SigmaAldrich English
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Tetraterbium heptaoxide Usage And Synthesis
Chemical PropertiesTerbium oxide is a dark brown powder. slightly hygroscopic. Insoluble in water and alkaline solution, soluble in dilute acid. The aqueous suspension is alkaline and can absorb carbon dioxide in the air to form basic carbonate.
Terbium oxide
Terbium oxide is a functional material used to make metal terbium, magneto-optical glass, phosphors, magneto-optical storage materials, chemical additives, etc.
UsesTerbium Oxide, also called Terbia, has important role as an activator for green phosphors used in color TV tubes. Meanwhile Terbium Oxide is also used in special lasers and as a dopant in solid-state devices. It is also frequently used as a dopant for crystalline solid-state devices and fuel cell materials. Terbium Oxide is one of the chief commercial Terbium compounds. Produced by heating the metal Oxalate,Terbium Oxide is then used in the preparation of other Terbium compounds.
PreparationTerbium(III,IV) oxide Synthesis: Tetraterbium nitrate or terbium carbonate or terbium sulfate solution with sodium hydroxide to form terbium hydroxide precipitate, which is filtered and burned to obtain terbium oxide.
4Tb(OH)3+0.5O2→Tb4O7+6H2O
Tb4O7 is most often produced by ignition of the oxalate at or the sulfate in air.
ApplicationTerbium(III,IV) oxide acts as a precursor for the preparation of other terbium compounds. It is used as a redox catalyst in reactions involving oxygen. At high temperatures, it can liberate oxygen. It finds applications in the manufacture of glass, optical and ceramic. Nanoparticles of terbium oxide are used as analytical reagents for the determination of drugs in food.
ReactionsTerbium Oxide reacts with atomic oxygen to produce TbO2, but more convenient preparations are available. Tb4O7 (s) + 6 HCl (aq) → 2 TbO2 (s) + 2 TbCl3 (aq) + 3 H2O (l) Terbium oxide is heated with ammonium chloride to produce the ammonium salt of the pentachloride: Tb4O7 + 22 NH4Cl → 4 (NH4)2TbCl5 + 7 H2O + 14 NH3
Purification MethodsDissolve it in acid (e.g. perchloric acid), precipitate it as its oxalate and ignite the oxalate at 650o.
Tetraterbium heptaoxide Preparation Products And Raw materials
Raw materialsTERBIUM(III) NITRATE PENTAHYDRATE-->Terbium(Ⅲ)oxalate-->TERBIUM SULFATE
Tag:Tetraterbium heptaoxide(12037-01-3) Related Product Information
NITRIC OXIDE Calcium hydroxide Iron oxide 4-(Diethylamino)salicylaldehyde Zinc oxide Magnesium oxide Propylene oxide DL-α-Tocopherol Zirconium dioxide TERBIUM Calcium oxide 5-Chlorovaleric acid Terbium oxide Pralmorelin ETHYLENE OXIDE Diphenolic acid Praseodymium oxide Samarium oxide