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
238-878-4

分子式
SiO₂

分子量
60.09

熔点
1710°

沸点
2230°

密度
2.2-2.6

灵敏度
Ambient temperatures.

形态
-325 Mesh Powder

溶解性
Insoluble in water and acids.

Merck
14,8493

GHS危害和防范说明

GHS符号

Hazard Statements
H350-H373
May cause cancer.May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements
P260-P201-P280-P308+P313-P405-P501a
Do not breathe dust/fume/gas/mist/vapours/spray.Obtain special instructions before use.Wear protective gloves/protective clothing/eye protection/face protection.IF exposed or concerned: Get medical advice/attention.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
49-48/20
May cause cancer by inhalation.Harmful: danger of serious damage to health by prolonged exposure through inhalation.

安全等级
53-36-45-60
Avoid exposure - obtain special instructions before use.Wear suitable protective clothing.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste

RTECS
VV7330000

TSCA
是