- 产品名称
- 磷酸二氢铵
- CAS NO
- 7722-76-1
- 中文别名
- 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)
- 英文名称
- Monoammonium phosphate
- 英文别名
- 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;
- 分子式
- NH4H2PO4
- 分子量
- 115.03
- EINECS
- 231-764-5
- 熔点
- 190°C (dec.)(lit.)
- 沸点
- 158oC at 760 mmHg
- 毒性
分子式:NH4H2PO4分子量:115.03物化性质:无色透明正方晶系晶体。相对密度1.803(19℃)。熔点190℃。易溶于水,微溶于醇,不溶于丙酮。在空气中较稳定,加热至100℃时有小部分分解。高于熔点时失去氨和水,并生成偏磷酸铵和磷酸的混合物。质量标准:(参考标准)指标名称单位 指 标工业级食品级主含量(NH4H2PO4) %≥98.0099.00五氧化二磷(P2O5) %≥61.0061.00氮(N) %≥12.0012.00PH值(1%溶液)--4.2--4.8氟化物(以F计) %≤0.0050.001砷(As) %≤0.0050.0003重金属(Pb) %≤0.0050.001水不溶物%≤0.10.1水份%≤0.20.2