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Rare Earth Oxides

Terbium(III) oxide, 99.99%

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Buy Terbium(III) oxide, 99.99% (CAS 12036-41-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 2 g.

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Terbium(III) oxide, 99.99% chemical structure
CAS number12036-41-8
FormulaO3Tb2
Molar mass365.85 g/mol
Physical formPowder
HS code29420090
Purity99.99%
InChIKeySCRZPWWVSXWCMC-UHFFFAOYSA-N
IUPAC nametris(oxygen(2-));bis(terbium(3+))

About Terbium(III) oxide, 99.99%

Zemixal supplies Terbium(III) oxide, 99.99% within its inorganic Chemicals, Metals & Advanced Materials portfolio. For your records (99.99%), the material is defined by CAS 12036-41-8, formula O3Tb2 and molar mass 365.85 g/mol. It is described as white to off-white to black powder.

Where it is used

  • Phosphors & glass
  • Catalysts
  • Magnets & ceramics

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 2 g, 10 g and 100 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Specifications and identifiers

Specifications of Terbium(III) oxide, 99.99%
Product nameTerbium(III) oxide, 99.99%
Catalogue numberZX-014590
CAS number12036-41-8
IUPAC nametris(oxygen(2-));bis(terbium(3+))
Molecular formulaO3Tb2
Molar mass365.85 g/mol
Exact mass365.8354
Purity / assay99.99%
Physical formPowder
AppearanceWhite to off-white to black powder
H-bond donors / acceptors0 / 3
Topological polar surface area3 Ų
HS code29420090
InChIKeySCRZPWWVSXWCMC-UHFFFAOYSA-N
SMILES[O-2].[O-2].[O-2].[Tb+3].[Tb+3]
PubChem CID159410
SynonymsDiterbium trioxide, Terbium oxide (Tb2O3), Terbium(III)oxide, Terbium(3+) oxide (2/3)

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Terbium(III) oxide, 99.99%
2 gQuoted on request
10 gQuoted on request
100 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Terbium(III) oxide, 99.99%

Which CAS number identifies Terbium(III) oxide, 99.99%?
Terbium(III) oxide, 99.99% is registered under CAS 12036-41-8. You may also see it listed as Diterbium trioxide, Terbium oxide (Tb2O3), Terbium(III)oxide. Our catalogue number for this item is ZX-014590.
What are the formula and molar mass of Terbium(III) oxide, 99.99%?
For Terbium(III) oxide, 99.99%, its formula is O3Tb2 and its molar mass is 365.85 g/mol. InChIKey SCRZPWWVSXWCMC-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Terbium(III) oxide, 99.99%?
This listing is 99.99% purity. Standard packs are 2 g, 10 g, 100 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Terbium(III) oxide, 99.99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Terbium(III) oxide, 99.99% to my country?
Yes. Because Terbium(III) oxide, 99.99% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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