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CAS号:1314-56-3
英文名称:Phosphorus pentoxide
英文同义词:P2-O5;NA 1807;SICAPENT;GRANULATED;SICAPENT(R);Phosphoricoxide;EATON'S REAGENT;PHOSPHORUS OXIDE;Phosphoric oxide;Phosphorpentoxid
中文名称:五氧化二磷
中文同义词:磷酐;氧化磷;磷酸酐;氢磷酸酯;五氧化磷;无水磷酸;液体亚磷酸;变色吸水剂;五氧化二磷;高纯磷酸酐
分子式:O5P2
分子量:141.94
熔点:340 °C (lit.)
沸点:122 °C (1 mmHg)
密度:2.3 g/mL at 25 °C (lit.)
蒸气密度:4.9 (vs air)
蒸气压:1 mm Hg ( 384 °C)
折射率:1.433-1.436
闪点:340-360°C
储存条件:no restrictions.
溶解度:Soluble in sulfuric acid. Insoluble in acetone and ammonia.
形态:Very Deliquescing Powder
颜色:White
比重:2.39
气味 (Odor):Pungent odour
PH值:1 (5g/l, H2O, 20℃)
酸碱指示剂变色ph值范围:<2
水溶解性:Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.
敏感性:Moisture Sensitive
Merck:14,7355
升华点:340-360 ºC
稳定性:Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing agents, HF, peroxides, magnesium, strong bases.
InChIKey:YWEUIGNSBFLMFL-UHFFFAOYSA-N
CAS 数据库:1314-56-3(CAS DataBase Reference)
NIST化学物质信息:Diphosphorus pentoxide(1314-56-3)
EPA化学物质信息:Phosphorus pentoxide (1314-56-3)