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CAS号:7440-39-3
英文名称:Barium
英文同义词:bario;BARIUM;barium(0);BARIUM, ROD;BARIUM METAL;Barium, 99+%;Barium powder;Barium element;bario (spanish);baryum (french)
中文名称:钡
中文同义词:钡;鋇;钡粉;钡棒;钡片;金属钡;钡标样;鋇標準液;钡标准溶液;钡标液/钡
分子式:Ba
分子量:137.33
熔点:725 °C(lit.)
沸点:1640 °C(lit.)
密度:3.6 g/mL at 25 °C(lit.)
储存条件:water-free area
形态:rod
颜色:Silver-gray
比重:3.51
电阻率 (resistivity):50.0 μΩ-cm, 20°C
水溶解性:soluble with H2 evolution in cold H2O and hot H2O; slightly soluble alcohol; insoluble benzene [CRC10]
敏感性:air sensitive, moisture sensitive
Merck:13,967
暴露限值:TLV-TWA 0.5 mg/m3 (for soluble compounds) (ACGIH and MSHA); IDLH (for soluble compounds) 250 mg/m3 (NIOSH). .
稳定性:Stability Reacts vigorously or violently with acids, water, tetrachloromethane, small halogenated hydrocarbons. Should be stored under an inert material such as petroleum ether to exclude air. Flammable.
CAS 数据库:7440-39-3(CAS DataBase Reference)
EPA化学物质信息:Barium (7440-39-3)