氧化镧，CAS 登记号 1312-81-8，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于无机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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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.
| 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 |
| Formal Charge | 0 |
| Complexity | 0 |
| Boiling Point | 3620 °C @760 [mm Hg] |
|---|---|
| Melting Point | 2304 °C |
| Density | 6.51 @25 °C |
| 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; 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
CAS 1312-81-8; molecular formula La2O3; molecular weight — g/mol.
Lanthanum oxide, 1312-81-8, Lanthana, Lanthanum sesquioxide, Lanthanum oxide (La2O3), Dilanthanum trioxide.
59.9% of GHS notifications report no hazard classification (370 of 618).
Boiling Point: 3620 °C @760 [mm Hg]; Melting Point: 2304 °C; Density: 6.51 @25 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.