应用
Germanium dioxide is used as an optical material for wide-angle lenses and in optical microscope objective lenses. It is used as a catalyst in the preparation of polyethylene terephthalate resin. Further, it is used as a feedstock for the manufacturing of phosphors and semiconductor materials. It is also used in transistors and diodes, and infrared transmitting glass.

备注
Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00011030

EINECS
215-180-8

分子式
GeO₂

分子量
104.59

熔点
1086°

密度
6.239

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Slightly soluble in sodium hydroxide. Insoluble in water and hydrochloric acid.Soluble in water, acid and alkali. Insoluble in hydrofluoric acid and hydrochloric acid.

Merck
14,4409

GHS危害和防范说明

GHS符号

Hazard Statements
H302
Harmful if swallowed.

Precautionary Statements
P264-P270-P301+P312a-P330-P501a
Wash thoroughly after handling.Do not eat, drink or smoke when using this product.Do not eat, drink or smoke when using this product.Rinse mouth.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
22
Harmful if swallowed.

安全等级
36-60
Wear suitable protective clothing.This material and its container must be disposed of as hazardous waste

欧盟危险品标志

TSCA
是