基本信息
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磷酸氢二铵
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7783-28-0
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磷酸二铵;工业磷酸二铵;磷酸氢二铵(工业级);;磷酸氢铵
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H3N.1/2H3O4P
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132.06
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Phosphoricacid, ammonium salt (1:2)
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231-987-8
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1.203g/mLat 25°C
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Phosphoricacid, diammonium salt (8CI,9CI); Akoustan A; Ammonium dibasic phosphate;Ammonium hydrogen phosphate; Ammonium hydrogen phosphate ((NH4)2HPO4); Ammoniummonohydrogen orthophosphate; Ammonium monohydrogen phosphate; Ammoniumorthophosphate dibasic; Ammonium phosphate ((NH4)2(HPO4)); Ammonium phosphatedibasic; Coaltrol LPA 445; DAP; Diammonium acid phosphate; Diammonium hydrogenorthophosphate; Diammonium hydrogen phosphate; Diammonium hydrogen phosphate((NH4)HPO4); Diammonium monohydrogen phosphate; Diammonium orthophosphate;Diammonium phosphate; Dibasic ammonium phosphate; Hydrogen diammoniumphosphate; K 2; K 2 (phosphate); Pelor; Phos-Chek 202A; Secondary ammoniumphosphate; Spartan AR 295
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155°C (dec.)(lit.)
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158oC at 760 mmHg
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详细信息
化学式： (NH4)2HPO4分子量： 132.0执行标准： Q/7089476401-1998性状： 白色粒状晶体，相对密度1.619，熔点155°C，易溶于水，不溶于醇，1%水溶液PH值为8.0，在空气中逐渐失去氨生成磷酸二氢铵。用途： 主要用于木材、纸张、织物作防火剂,也用作防火涂料添加剂，还用于印刷制版和医药的制造等。在食品工业中用作发酵剂、营养剂等。在农业上作为无氯型N、P二元复合肥使用，其总养分（N+P2O5）为74%，是配制N、P、K三元复混肥的优质基础原料。包装： 内塑外编袋、纸袋、PE袋，每袋净重25、50、1000Kg，贮于通风干燥处。技术指标序号指标名称工业级食品级1主含量（以(NH4)2HPO4计）%≥99.099.02五氧化二磷（以P2O5计）%≥53.053.03氮（以N计）%≥20.820.84PH值7.8-8.27.8-8.25水份%≤0.20.26重金属（以Pb计）%≤ 0.0017砷（以As计）%≤ 0.00038氟化物（以F计）%≤ 0.0059水不溶物%≤0.100.10
