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五氧化二磷

 
 
單價 面議對比
詢價 暫無
發貨 江蘇蘇州市付款后24小時內
過期 長期有效
更新 2013-12-16 17:12
 

蘇州偉鐿金屬貿易有限公司

企業會員第14年
資料未認證
保證金未繳納
詳細說明


五氧化二磷
產品等級 優級品  
五氧化二磷 (英文名:phosphoric anhydride或者diphosphorus pentoxide)
它是白色單斜晶體或粉末,密度2.39g/cm,熔點580~585℃,300℃升華。溶于水和硫酸,不溶于丙酮和氨。在空氣中吸濕潮解,與有機物接觸會發生燃燒。
1.別名:(偏)磷酸酐
2.分子式:P4O10
3.分子量:141.94
通常為白色極易潮解的結晶性粉末。密度0.9g/cm3,在300℃升華。熔點580-585℃。蒸氣壓133.3Pa(384℃)。在加壓下加熱到較高溫度時,晶體轉變為無定形玻璃狀體,在空氣中易吸潮。溶于水發出熱量及白煙。

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