应用
It may be used in pharmaceutical laboratories as a drying agent or as a source of potassium. It is also used in fire extinguishers, to make soap, glass and to soften water. Aqueous potassium carbonate plays an important role in carbon dioxide absorption promoted by piperazine. It is also essential for the absorption of carbon dioxide promoted by boric acid. It is also useful for the synthesis of azoles and diazines.

Grade Specifications
Maximum level of impurities: Insoluble matter 0.01%, Cl 0.003%, PO₄0.001%, SiO₂0.005%, SO₄0.004%, Ca 0.005%, Mg 0.002%, Heavy Metals (as Pb) 5ppm, Fe 5ppm, Na 0.02%

备注
It is deliquescent. Incompatible with moisture, acids.

基本信息

MDL
MFCD00011382

EINECS
209-529-3

分子式
K₂CO₃

分子量
138.21

熔点
891°

密度
2.29

灵敏度
Hygroscopic. Ambient temperatures.

形态
Granular

溶解性
Soluble in water. Insoluble in ethanol.

Beilstein
4267587

Merck
14,7619

GHS危害和防范说明

GHS符号

Hazard Statements
H302-H315-H319-H335
Harmful if swallowed.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
22-36/37/38
Harmful if swallowed.Irritating to eyes, respiratory system and skin.

安全等级
26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.

欧盟危险品标志

RTECS
TS7750000

TSCA
是