Lanthanum sesquioxide
データを補完しています。しばらくしてからページを更新すると最新の内容を表示できます
基本情報
- CAS
12680-02-3- 標準SMILES
[La+3].[La+3].[O-2].[O-2].[O-2]- InChIKey
MRELNEQAGSRDBK-UHFFFAOYSA-N- 分子式
- La2O3
- 平均分子量
- 325.809 g/mol
名称と識別子
- 優先名称
- Lanthanum sesquioxide
- IUPAC
- bis(lanthanum(3+));tris(oxygen(2-))
- 英語名
- Lanthanum oxide
- 分子量
- 0
名称と別名
Lanthanum oxide1312-81-8LanthanaLanthanum sesquioxideLanthanum oxide (La2O3)Dilanthanum trioxideDilanthanum oxideLanthanum(3+) oxideLanthanum trioxideLanthania (La2O3)4QI5EL790WLa(2)O(3)
名称をさらに表示
RefChem:152325DTXCID4030209215-200-5682-684-6DTXSID7051478Lanthanum(III) oxideLanthanum(III)OxideLa2O3
データベース識別子
- CAS
12680-02-3- UNII
- 4QI5EL790W
- EC Number
- 215-200-5、682-684-6
物性
構造計算による物性補完中
- 極性表面積
- 3 Ų
- 水素結合供与体数
- 0
- 水素結合受容体数
- 3
- 回転可能結合数
- 0
- 重原子数
- 5
- 形式電荷
- 0
- 複雑度
- 0
実験および物理化学的性質
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]
安全と法規制
安全情報は参考情報です。供給元の安全データシート（SDS）、適用法令、専門家による評価に代わるものではありません。
GHS分類
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
危険有害性情報
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
安全と保護具
Protective Action Criteria (PAC)
30 [mg/m3]
330 [mg/m3]
2000 [mg/m3]
毒性情報
化学と産業
用途と製造
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
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