应用
Barium carbonate has been used as brine purification chemical in the chloro-alkali industry and as an ingredient in rat poisons and enamels. Barium carbonate is used in photographic paper manufacturing. The chemical is used to produce the barium sulphate which gives the photographic paper its flat white appearance. Practiced in the manufacture of barium ferrites and also in the manufacture of television picture tubes. Barium carbonate is an additive in oil-well drilling muds.

Grade Specifications
Maximum level of impurities: Insoluble in dilute hydrochloric acid 0.015%, Cl 0.002%, Water soluble titratable base 0.002meq/g, Oxidizing substances (as NO₃) 0.005%, S 0.001%, K 0.005%, Na 0.02%, Ca 0.05%, Heavy Metals (as Pb) 0.001%, Fe 0.002%, Sr 0.7%

备注
It is thermally stable, non flammable. Store in a dry, ventilated area.

基本信息

MDL
MFCD00003448

EINECS
208-167-3

分子式
BaCO₃

分子量
197.35

熔点
811°

沸点
dec.

密度
4.43

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in most acids, with the exception of sulfuric acid. It is insoluble in water and ethanol.

Merck
14,969

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
24/25
Avoid contact with skin and eyes.

欧盟危险品标志

RTECS
CQ8600000

TSCA
是