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CAS號:7440-39-3
英文名稱:Barium
英文同義詞:bario;BARIUM;barium(0);BARIUM, ROD;BARIUM METAL;Barium, 99+%;Barium powder;Barium element;bario (spanish);baryum (french)
中文名稱:鋇
中文同義詞:鋇;鋇;鋇粉;鋇棒;鋇片;金屬鋇;鋇標(biāo)樣;鋇標(biāo)準(zhǔn)液;鋇標(biāo)準(zhǔn)溶液;鋇標(biāo)液/鋇
分子式:Ba
分子量:137.33
熔點:725 °C(lit.)
沸點:1640 °C(lit.)
密度:3.6 g/mL at 25 °C(lit.)
儲存條件:water-free area
形態(tài):rod
顏色:Silver-gray
比重:3.51
電阻率 (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). .
穩(wěn)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 數(shù)據(jù)庫:7440-39-3(CAS DataBase Reference)
EPA化學(xué)物質(zhì)信息:Barium (7440-39-3)