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首頁 > 供應產品 > 碘化鈉
碘化鈉
單價 面議對比
詢價 暫無
發貨 上海付款后24小時內
過期 長期有效
更新 2013-09-23 12:23
 
詳細信息


碘化鈉
英文名:Sodium iodide
分子式NaI
分子量149.89
CAS號7681-82-5
RTECS號:WB6475000
MDL號:MFCD00003532
熔點:661℃
沸點:1304℃
相對密度:3.667(25℃)
產品用途用作制備碘化合物的原料,也用于醫藥,照相等 物化性質無色立方晶體或白色結晶性粉末。無臭、味咸苦。易溶于水,溶于甲醇、乙醇、甘油、液氨和液體二氧化硫。水溶液呈微堿性。當溫度低于65.6℃,在水溶液中形成含有水分子數目不定的各種水合物。在室溫下,由溶液析出二水合碘化鈉;在-13.5~31.5℃時,可析出五水合碘化鈉。具有還原性,可被一般氧化劑氧化而游離出碘。具潮解性,在濕空氣中吸收水分而結塊。與空氣接觸,能使碘游離析出,漸呈棕色。

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