Thulium(III) oxide (CAS 12036-44-1) — formula O3Tm2, molecular weight 385.867; category inorganic chemicals.
Thulium(III) oxide (CAS 12036-44-1) is a chemical raw material in the inorganic chemicals category. Its molecular formula O3Tm2 comprises 3 O, 2 Tm atoms. Its molecular weight is about 385.867. Reported physicochemical data: melting point around 2425 °C. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 12036-44-1 |
|---|---|
| Molecular Formula | O3Tm2 |
| Molecular Weight | 385.867 |
| Melting Point | 2425 °C |
| Applications | Source of thulium metal, Thulium oxide (Tm2O3): ACTIVE |
| Category | Inorganic Chemicals |
Documented applications: Source of thulium metal, Thulium oxide (Tm2O3): ACTIVE.
Thulium(III) oxide is an inorganic compound with CAS registry number 12036-44-1 and molecular formula O3Tm2 (molecular weight 385.867), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 12036-44-1
Its molecular formula O3Tm2 comprises 3 O, 2 Tm atoms.
Also known as: Thulium(III) oxide · 三氧化二铥
Category: inorganic chemicals
The CAS registry number of Thulium(III) oxide is 12036-44-1.
Molecular formula O3Tm2, molecular weight 385.867.
It is also registered under: Thulium(III) oxide, 三氧化二铥.
Recorded applications: Source of thulium metal, Thulium oxide (Tm2O3): ACTIVE.
Category: Inorganic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Thulium(III) oxide (CAS 12036-44-1), compiled from public chemistry databases.
| CAS Registry Number | 12036-44-1 |
|---|---|
| PubChem CID | 159411 |
| Molecular formula | O3Tm2 |
| IUPAC name | tris(oxygen(2-));bis(thulium(3+)) |
| UNII (FDA) | DZJ5EE05EB |
| Molecular Weight | 385.867 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 385.85318 |
| Monoisotopic Mass | 385.85318 |
| Topological Polar Surface Area | 3 |
| Heavy Atom Count | 5 |
| Melting Point | 2425 °C |
|---|---|
| Density | 8.6 @25 °C |
Thulium oxide; 12036-44-1; Thulium oxide (Tm2O3); dithulium trioxide; THULIA; DZJ5EE05EB; DTXSID50894774; thulium-170 oxide; RefChem:189814; DTXCID401324336; 234-851-6; Thulium(III) oxide; thulium sesquioxide; oxygen(2-);thulium(3+); 39455-81-7; thulium(3+) oxide
| GHS notification summary | 6.3% (4 / 63) |
|---|
| GHS notification summary | 6.3% (4 / 63) |
|---|---|
| Reported hazard statements | H315 (93.7%), H319 (93.7%), H335 (93.7%) |
This chemical does not meet GHS hazard criteria for 6.3% (4 of 63) of reports.
H315 (93.7%): Causes skin irritation [Warning Skin corrosion/irritation]
Thulium(III) oxide · CAS 12036-44-1 · O3Tm2. UNII DZJ5EE05EB. Melting Point: 2425 °C; Density: 8.6 @25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 三氧化二铥