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三氧化二铈

三氧化二铈用途

主要用作玻璃脱色剂、抛光剂，也是制备金属铈的原料。

三氧化二铈名称

[ CAS 号 ]:
1345-13-7

[ 中文名 ]:
三氧化二铈

[ 英文名 ]:
Dicerium trioxide

[英文别名 ]:

EINECS 215-718-1
Dicerium trioxide

三氧化二铈物理化学性质

[ 密度 ]:
7.132

[ 熔点 ]:
2600ºC

[ 分子式 ]:
Ce₂O₃

[ 分子量 ]:
328.23000

[ 精确质量 ]:
327.79600

[ PSA ]:
43.37000

[ 外观性状 ]:
金色-黄色固体

[ 水溶解性 ]:
insoluble H2O; soluble H2SO4; insoluble HCl [CRC10]

三氧化二铈毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: FK6657000

CHEMICAL NAME :: Cerium trioxide

CAS REGISTRY NUMBER :: 1345-13-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: Ce2-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 475 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,33,1982 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2042 No. of Facilities: 473 (estimated) No. of Industries: 7 No. of Occupations: 8 No. of Employees: 19715 (estimated) No. of Female Employees: 10325 (estimated)

三氧化二铈安全信息

[ 海关编码 ]:
2846101000

三氧化二铈制备

碳粉和CeO₂在1250℃下在CO气氛中反应。

三氧化二铈海关

[ 海关编码 ]: 2846101000