Lanthanum sesquioxide

HCID 150906CAS 1312-81-8

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Grundinformationen

Standard-SMILES: [La+3].[La+3].[O-2].[O-2].[O-2]
InChIKey: MRELNEQAGSRDBK-UHFFFAOYSA-N
Summenformel: La2O3
Durchschnittliche Molmasse: 325,809 g/mol

Namen und Bezeichner

Bevorzugter Name: Lanthanum sesquioxide
IUPAC: bis(lanthanum(3+));tris(oxygen(2-))

Namen und Synonyme

Lanthanum oxide1312-81-8LanthanaLanthanum sesquioxideLanthanum oxide (La2O3)Dilanthanum trioxideDilanthanum oxideLanthanum(3+) oxideLanthanum trioxideLanthania (La2O3)4QI5EL790WLa(2)O(3)

Weitere Namen anzeigen

RefChem:152325DTXCID4030209215-200-5682-684-6DTXSID7051478Lanthanum(III) oxideLanthanum(III)OxideLa2O3

Datenbank-Bezeichner

CAS: 1312-81-8
PubChem CID: 150906
UNII: 4QI5EL790W
EC Number: 215-200-5、682-684-6

Eigenschaften

Berechnete Struktureigenschaften

Polarare Oberfläche (TPSA): 3 Å²
H-Brücken-Donoren: 0
H-Brücken-Akzeptoren: 3
Frei drehbare Bindungen: 0
Schwere Atome: 5
Formalladung: 0
Komplexität: 0

Experimentelle und physikochemische Eigenschaften

Chemical ClassesMetals -> Rare Earth Metals

SpringerMaterials Propertiesdielectric constant

Density6.51 @25 °C

Boiling Point3620 °C @760 [mm Hg]

Melting Point2304 °C

Physical Description · 2 Einträge

Other Solid; Dry Powder; Large Crystals

White solid; Insoluble in water; [Merck Index] Soluble in acids; [Hawley]

Sicherheit und Regulatorisches

GHS-Klassifizierung

GHS Classification · 6 Einträge

This chemical does not meet GHS hazard criteria for 59.9% (370 of 618) of all reports.

Warning

H315 (39.5%): Causes skin irritation [Warning Skin corrosion/irritation]

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 618 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Not Classified

Gefahrenhinweise

Regulatory Information · 4 Einträge

Chemical: Lanthanum oxide (La2O3)

Lanthanum oxide (La2O3) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Lanthanum oxide (La2O3) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 24-01-2023 https://echa.europa.eu/registration-dossier/-/registered-dossier/15267

Lanthanum oxide (La2O3): Does not have an individual approval but may be used under an appropriate group standard

Hazards SummarySee Lanthanum. See RARE EARTH METALS and linked occupational diseases.

Hazard Classes and Categories · 2 Einträge

Skin Irrit. 2 (39.5%)

Not Classified