Lanthanum oxide (CAS 1312-81-8) — formula La2O3, molecular weight 325.809; category inorganic chemicals.
Lanthanum oxide (CAS 1312-81-8) is a chemical raw material in the inorganic chemicals category. Its molecular formula La2O3 comprises 2 La, 3 O atoms. Its molecular weight is about 325.809. Reported physicochemical data: melting point around 2304 °C, boiling point around 3620 °C @760 [mm Hg]. 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 | 1312-81-8 |
|---|---|
| Molecular Formula | La2O3 |
| Molecular Weight | 325.809 |
| Melting Point | 2304 °C |
| Boiling Point | 3620 °C @760 [mm Hg] |
| Applications | catalysts, electronics, and metal processing |
| Category | Inorganic Chemicals |
Documented applications: catalysts, electronics, and metal processing.
Lanthanum oxide is an inorganic compound with CAS registry number 1312-81-8 and molecular formula La2O3 (molecular weight 325.809), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 1312-81-8
Its molecular formula La2O3 comprises 2 La, 3 O atoms.
Also known as: Lanthanum oxide · 氧化镧
Category: inorganic chemicals
The CAS registry number of Lanthanum oxide is 1312-81-8.
Molecular formula La2O3, molecular weight 325.809.
It is also registered under: Lanthanum oxide, 氧化镧.
Recorded applications: catalysts, electronics, and metal processing.
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 Lanthanum oxide (CAS 1312-81-8), compiled from public chemistry databases.
| CAS Registry Number | 1312-81-8 |
|---|---|
| PubChem CID | 150906 |
| Molecular formula | La2O3 |
| IUPAC name | bis(lanthanum(3+));tris(oxygen(2-)) |
| UNII (FDA) | 4QI5EL790W |
| Molecular Weight | 325.809 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 325.79747 |
| Monoisotopic Mass | 325.79747 |
| Topological Polar Surface Area | 3 |
| Heavy Atom Count | 5 |
| Boiling Point | 3620 °C @760 [mm Hg] |
|---|---|
| Melting Point | 2304 °C |
| Density | 6.51 @25 °C |
Lanthanum oxide; 1312-81-8; Lanthana; Lanthanum sesquioxide; Lanthanum oxide (La2O3); Dilanthanum trioxide; Dilanthanum oxide; Lanthanum(3+) oxide; Lanthanum trioxide; Lanthania (La2O3); 4QI5EL790W; La(2)O(3); RefChem:152325; DTXCID4030209; 215-200-5; 682-684-6
| GHS notification summary | 59.9% (370 / 618) |
|---|
| GHS notification summary | 59.9% (370 / 618) |
|---|---|
| Reported hazard statements | H315 (39.5%), H319 (40.1%), H335 (39.5%) |
This chemical does not meet GHS hazard criteria for 59.9% (370 of 618) of all reports.
H315 (39.5%): Causes skin irritation [Warning Skin corrosion/irritation]
Lanthanum oxide · CAS 1312-81-8 · La2O3. UNII 4QI5EL790W. Boiling Point: 3620 °C @760 [mm Hg]; Melting Point: 2304 °C; Density: 6.51 @25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 氧化镧