钡
CAS号:7440-39-3
品名:钡barium(0)
中文别名:鋇;金属钡;
英文别名:bario;bariumpowder;baryum;bariumstrontium-containingoxide;Barium;UNII-24GP945V5T;
分子式:BaH2
分子量:139.343
精确质量:139.921
Psa:0.0
RTECS号:CQ8370000
EINECS号:231-149-1
密度:3.6g/mLat 25°C(lit.)
沸点:1640°C(lit.)
熔点:725°C(lit.)
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.
储存条件:库房通风低温干燥,与酸、氧化剂、卤代烃分开存放
安全说明:S23; S26; S36; S36/37/39; S45; S43; S36/37; S16
危险类别码:R25
WGK Germany:3
危险品运输编码:UN 3264 8/PG 3
危险类别:8
包装等级:III
危险品标志:C; Xi; F
信号词:Danger
危险性防范说明:P231 + P232; P335 + P334; P370 + P378; P402 + P404
危险标志:GHS02
危险性描述:H261
用途:用于合金,有铅、钙、镁、钠、锂、铝及镍等合金。用于清除无线电真空管中残留的微量气体。用于制造钡盐,也用作消气剂、球化剂和脱气合金等。