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二氧化硒  

 
 
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更新 2013-10-14 08:48
 

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  • 四川-成都市
  • 上次登錄 2013-10-14
  • 陳永祥 (先生)   經(jīng)理
詳細(xì)說(shuō)明

二氧化硒  
英文名稱:selenium dioxide ;selenious acid anhydride    
CAS No.:7446-08-4   
分子式:SeO2   
分子量:110.96
規(guī)格:≥98%   99,9%  99,99% 
純品   外觀與性狀:白色或微紅色有光澤的針狀結(jié)晶粉末,有刺激性氣味。   
熔點(diǎn)(℃):340~350  
沸點(diǎn)(℃):   相對(duì)密度(水=1):3.95   
相對(duì)蒸氣密度(空氣=1):   
蒸氣壓(kPa): 0.13/157℃   閃點(diǎn):   燃燒熱(kJ/mol):   
穩(wěn)定性和反應(yīng)活性:穩(wěn)定   危險(xiǎn)特性:本身不能燃燒。若遇高熱,升華產(chǎn)生的氣體。   溶解性:溶于水、乙醇、乙酸。  
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