Thulium(III) oxide, 99.9%

Name: Thulium(III) oxide, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-015533

About Thulium(III) oxide, 99.9%

Thulium(III) oxide (CAS 12036-44-1) is a rare earth oxide offered by Vaqora Chemicals at a purity of 99.9%. The compound has the formula O3Tm2, corresponding to a molecular weight of 385.87 g/mol. Its systematic (IUPAC) name is tris(oxygen(2-)). Bis(thulium(3+)). Common synonyms include Dithulium trioxide and Thulium oxide.

The material typically appears as white to off- white powder or crystal or chunks. Reported physical data include a melting point of 2341 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for phosphors and glass, catalysts, magnets and ceramics and pharmaceutical synthesis. Our customers for this product work in academic and industrial research, electronics and semiconductors and metallurgy and mining.

Available in 1 g, 10 g, 100 g and 1 kg packs, Thulium(III) oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Phosphors & glass
Catalysts
Magnets & ceramics
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Thulium(III) oxide, 99.9%
Catalogue No.	VQ-015533
CAS Number	12036-44-1
IUPAC name	tris(oxygen(2-));bis(thulium(3+))
Molecular formula	O₃Tm₂
Molecular weight	385.87 g/mol
Exact mass	385.8532
Purity / assay	99.9%
HSN code	28469010
InChIKey	ZIKATJAYWZUJPY-UHFFFAOYSA-N
SMILES	[O-2].[O-2].[O-2].[Tm+3].[Tm+3]
PubChem CID	159411

Physical properties
Physical form	Crystalline
Appearance	White to off- white powder or crystal or chunks
Melting point	2341 °C
H-bond donors / acceptors	0 / 3
TPSA	3 Å²
Synonyms	Dithulium trioxide, Thulium oxide, Thulium oxide (Tm2O3), thulium-170 oxide, thulium sesquioxide, thulium(3+) oxide, Thulium oxide (2/3)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 12036-44-1

Thulium(III) oxide, 99.99%

CAS: 12036-44-1
Formula: O₃Tm₂
MW: 385.87 g/mol

VQ-015534

Thulium(III) oxide, 99.997%

CAS: 12036-44-1
Formula: O₃Tm₂
MW: 385.87 g/mol

VQ-015535

Frequently asked questions

What is the CAS number of Thulium(III) oxide, 99.9%?

The CAS Registry Number of Thulium(III) oxide, 99.9% is 12036-44-1. It is also known as Dithulium trioxide, Thulium oxide, Thulium oxide (Tm2O3).

What is the molecular formula and molecular weight of Thulium(III) oxide, 99.9%?

Thulium(III) oxide, 99.9% has the molecular formula O3Tm2 and a molecular weight of 385.87 g/mol.

Which grade and pack sizes of Thulium(III) oxide, 99.9% can I order?

We supply Thulium(III) oxide, 99.9% in (99.9%) grade, in 1 g, 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Thulium(III) oxide, 99.9%?

Yes. Every lot of Thulium(III) oxide, 99.9% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Thulium(III) oxide, 99.9% be shipped internationally?

Yes. Thulium(III) oxide, 99.9% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.