应用
Silicon(IV) oxide is used in the manufacture of glass for windows, drinking glasses, beverage bottles and many other materials. Optical fibers for telecommunication are made from silica. It is also used as a raw material for many ceramics such as earthenware, stoneware and porcelain. In addition, silica is a common additive in the production of foods and pharmaceutical products.

备注
It is a very stable compound of silicon.

基本信息

MDL
MFCD00011232

EINECS
231-545-4

分子式
SiO₂

分子量
60.09

熔点
1710°

沸点
2230°

密度
2.2

灵敏度
Ambient temperatures.

形态
-325 Mesh Fused Amorphous Powder, S.A. 5m^2/g

溶解性
Insoluble in water.

Merck
14,8493

GHS危害和防范说明

GHS符号

Hazard Statements
H373
May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements
P260-P314-P501a
Do not breathe dust/fume/gas/mist/vapours/spray.Get medical advice/attention if you feel unwell.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
48/20
Harmful: danger of serious damage to health by prolonged exposure through inhalation.

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