Lanthanum sesquioxide
Grundinformationen
- CAS
12680-02-3- 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-))
- Englischer Name
- Lanthanum oxide
- Molmasse
- 0
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
12680-02-3- UNII
- 4QI5EL790W
- EC Number
- 215-200-5、682-684-6
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 3 Ų
- 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
Other Solid; Dry Powder; Large Crystals
White solid; Insoluble in water; [Merck Index] Soluble in acids; [Hawley]
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
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
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
Skin Irrit. 2 (39.5%)
Not Classified
Sicherheit und Schutzausrüstung
Protective Action Criteria (PAC)
Chemie und Industrie
Verwendung und Herstellung
Uses
Used in calcium lights, optical glass, ceramics, carbon-arc electrodes, phosphors, and refractories; [Hawley]
Glass Manufacturing [Category: Industry]
U.S. Production2023: 40,000,000 - <55,000,000 lb
Consumer UsesCatalyst
Industry UsesCatalyst
General Manufacturing Information
All Other Chemical Product and Preparation Manufacturing
Lanthanum oxide (La2O3): ACTIVE
Anbieter1 Anbieter
Hefei TNJ Chemical Industry Co.,Ltd.+86-0551-65418671 +86-189 4982 3763 · [email protected]
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