应用
Lanthanum(III) oxide is used for vacuum deposition. It is also acts as a precursor to LAMOX fast ion conductors. It is also employed in the manufacture of special alloys, optical glass and refractory materials.

备注
Hygroscopic. Incompatible with oxidizing agents and mineral acids. Store under dry inert gas. Protect from air and moisture. Desiccate at room temperature.

基本信息

MDL
MFCD00011071

EINECS
215-200-5

分子式
La₂O₃

分子量
325.82

熔点
2307°

沸点
4200°

密度
6.51

灵敏度
Hygroscopic. Ambient temperatures.

形态
3-12mm Sintered Lump

溶解性
Insoluble in water. Soluble in dilute mineral acids

Merck
14,5363

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

TSCA
是