基本信息
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磷酸二氢铵
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7722-76-1
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磷铵;磷酸二氢铵;工业磷酸一铵;磷酸二氢铵(工业级);磷酸一铵(工业级)
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NH4H2PO4
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115.03
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Monoammonium phosphate
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231-764-5
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1.02g/mLat 20°C
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Phosphoricacid, monoammonium salt (8CI,9CI);ABC;ABC (fire extinguisher);ADP;ADP(filter);Ammonium biphosphate;Ammonium diacid phosphate;Ammonium dihydrogenorthophosphate;Ammonium dihydrogen phosphate;Ammonium dihydrophosphate;Ammonium hydrogen phosphate;Ammonium monobasic phosphate;Ammonium orthophosphate monobasic;Ammonium phosphate;Ammonium primary phosphate;Dihydrogen ammonium phosphate;Monoammonium acid phosphate;Monoammonium dihydrogenorthophosphate;Monoammonium dihydrogen phosphate;Monoammonium dihydrogenphosphate;Monoammonium hydrogen phosphate;Monoammoniumorthophosphate;
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190°C (dec.)(lit.)
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158oC at 760 mmHg
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详细信息
【性 质】白色粒状晶体，易溶于水，微溶于醇，不溶于丙酮。在空气中稳定，于100°C时有少量分解。固体的相对密度为1.803(19°C),熔点为190°C。高于熔点时失去氨和水生成偏磷酸铵和磷酸的混合物。水溶液呈酸性反应，1%水溶液PH值为4.5。【用 途】主要用于木材、纸张、织物作防火剂，也用作防火涂料原料，干粉灭火剂等。在农业上作为无氯型N、P二元高效复合肥使用，其总养分为（N+P2O5)为73%，是配制N、P、K三元复合肥的优质原料。
