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五氧化二磷
單價 面議對比
詢價 暫無
發(fā)貨 江蘇蘇州市付款后24小時內(nèi)
過期 長期有效
更新 2013-12-16 17:12
 
詳細(xì)信息


五氧化二磷
產(chǎn)品等級 優(yōu)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(jī)物接觸會發(fā)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(jié)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(zhuǎn)變?yōu)闊o定形玻璃狀體,在空氣中易吸潮。溶于水發(fā)出熱量及白煙。

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