氧化钡
氧化钡用途
1.用于玻璃、陶瓷工业,也用于甜菜糖精炼。
2.用于制造过氧化钡和钡盐的原料。
3.可作脱水剂和高教干燥剂等。
氧化钡名称
[ CAS 号 ]:
1304-28-5
[ 中文名 ]:
氧化钡
[ 英文名 ]:
Oxobarium
[中文别名 ]:
[英文别名 ]:
- Oxobarium
- Barium Oxide
- EINECS 215-127-9
- Barium, oxo-
- MFCD00003453
氧化钡物理化学性质
[ 密度 ]:
5.72 g/mL at 25ºC(lit.)
[ 沸点 ]:
2000ºC
[ 熔点 ]:
1920ºC
[ 分子式 ]:
BaO
[ 分子量 ]:
153.326
[ 精确质量 ]:
153.900162
[ PSA ]:
17.07000
[ 外观性状 ]:
白色至奶油色粉末
[ 折射率 ]:
1.98
[ 储存条件 ]:
库房通风低温干燥,与酸类,如SO3,H2S,N2O4,羟胺等及食品分开储运
[ 稳定性 ]:
Stable. Incompatible with strong acids, water. Protect from moisture.
[ 水溶解性 ]:
每100毫升水中的溶解克数: 3.8g/20℃
氧化钡MSDS
氧化钡毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- CQ9800000
- CHEMICAL NAME :
- Barium oxide
- CAS REGISTRY NUMBER :
- 1304-28-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 28
- MOLECULAR FORMULA :
- Ba-O
- MOLECULAR WEIGHT :
- 153.34
- WISWESSER LINE NOTATION :
- BA O
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 :
- 146 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CUTOEX Current Toxicology. (Nova Science Publishers, Inc., 6080 Jericho Turnpike, Suite 207, Commack, NY 11725) V.1 1993- Volume(issue)/page/year: 1,39,1993
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 50 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- ZVKOA6 Zhurnal Vsesoyuznogo Khimicheskogo Obshchestva im. D.I. Mendeleeva. Journal of the D.I. Mendeleeva All-Union Chemical Society. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.5- 1960- Volume(issue)/page/year: 19,186,1974 *** REVIEWS *** ACGIH TLV-TWA 0.5 mg(Ba)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg(Ba)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,21,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.5 mg(Ba)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-AUSTRIA:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-BELGIUM:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-DENMARK:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-FINLAND:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-GERMANY:TWA 0.5 mg(Ba)/m3 (total dust) JAN 1993 OEL-HUNGARY:STEL 0.5 mg(Ba)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-POLAND:TWA 0.5 mg(Ba)/m3;STEL 1.5 mg(Ba)/m3 JAN 1993 OEL-RUSSIA:STEL 6 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.5 mg(Ba)/m3;STEL 1 mg(Ba)/m3 JAN 1993 OEL-TURKEY:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.5 mg(Ba)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 80341 No. of Facilities: 218 (estimated) No. of Industries: 13 No. of Occupations: 16 No. of Employees: 2983 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 80341 No. of Facilities: 913 (estimated) No. of Industries: 22 No. of Occupations: 28 No. of Employees: 34535 (estimated) No. of Female Employees: 14944 (estimated)
氧化钡安全信息
[ 符号 ]:
GHS05, GHS06
[ 信号词 ]:
Danger
[ 危害声明 ]:
H301-H314-H332
[ 警示性声明 ]:
Missing Phrase - N15.00950417-P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ 危害码 (欧洲) ]:
T: Toxic;
[ 风险声明 (欧洲) ]:
R20;R25;R34
[ 安全声明 (欧洲) ]:
26-36/37/39-45
[ 危险品运输编码 ]:
UN 1884
[ WGK德国 ]:
1
[ RTECS号 ]:
CQ9800000
[ 包装等级 ]:
III
[ 危险类别 ]:
6.1
[ 海关编码 ]:
2816400000
氧化钡制备
1.煅烧法将研细的高纯硝酸钡在1000~1050℃下煅烧,可得到氧化钡。其反应方程式如下:
或将碳酸钡与焦炭混合,在1200℃以下进行反应,得到氧化钡成品。其反应方程式如下:
2.纯净的氧化钡可用纯制的碳酸钡在高真空下进行热分解。光在950℃时使大部分CO2分解放出,然后再加热至1100~1150℃,使CO2全部放出,此方法可避免反应产物熔融。
纯的氧化钡也可由反复重结晶提纯的Ba(OH)2·8H2O仔细地脱水,最后在不含O2和CO2干燥的N2或H2气流中,在800℃加热2h而制得。
氧化钡海关
[ 海关编码 ]: 2816400000
氧化钡文献
J. Nanosci. Nanotechnol. 7(3) , 1006-13, (2007)
Transparent glasses in the system (100 - x)Li2B4O7 - x(BaO-Bi2O3-Nb2O5) (x = 10, 20, and 30) were fabricated via the conventional melt-quenching technique. The amorphous and glassy characteristics of ...
Effects of monomer ratios and highly radiopaque fillers on degree of conversion and shrinkage-strain of dental resin compositesDent. Mater. 25(11) , 1411-8, (2009)
Objectives The degree of conversion (DC) and polymerization shrinkage of resin composites are closely related manifestations of the same process. Ideal dental composite would show an optimal degree of...
Enhancement of ferroelectric polarization stability by interface engineering.Adv. Mater. 24(9) , 1209-16, (2012)
By using theoretical predictions based on first-principle calculations, we explore an interface engineering approach to stabilize polarization states in ferroelectric heterostructures with a thickness...
相关化工产品/化学物质:
推荐生产厂家/供应商:
公司名:上海化源世纪贸易有限公司
区域:上海市普陀区
价格:
联系人:徐经理
产品详情:氧化钡
公司名:上海吉至生化科技有限公司
区域:上海市奉贤区
价格:
¥68.0/100g
¥198.0/500g
联系人:刘佳
产品详情:氧化钡
公司名:上海阿拉丁生化科技股份有限公司
区域:上海市浦东新区
价格:
¥959.0/25g
¥2699.0/100g
¥需询单/1g
¥需询单/1g
联系人:阿拉丁
产品详情:氧化钡
公司名:中山市迪欣化工有限公司
区域:中山市三角镇
价格:
¥190.0/25kg
联系人:陈雪萍
产品详情:氧化钡
查看所有供应商请点击:
相关化合物
【氧化钡】化源网提供氧化钡CAS号1304-28-5,氧化钡MSDS及其说明、性质、英文名、生产厂家、作用/用途、分子量、密度、沸点、熔点、结构式等。CAS号查询氧化钡上化源网,专业又轻松。>>电脑版:氧化钡
标题:氧化钡_MSDS_用途_密度_氧化钡CAS号【1304-28-5】_化源网 地址:https://www.chemsrc.com/amp/cas/1304-28-5_965589.html