Synonyms: Ammonium dihydrogen phosphate or Mono-ammonium phosphate, prim-Ammonium phosphate
NH₄H₂PO₄
H₆NO₄P
M_r 115.03
CAS Number 7722-76-1
EC Number 231-764-5
Merck 14,543
MDL Number MFCD00003396
PubChem Substance ID 24846397
Purity ≥ 99.5%

Measured pH range: 3.5 – 3.8 at 25°C
Measured Conductivity Range: 81.9 – 100.1 mS/cm at 25°C
Refractive Index Range: 1.36710 – 1.36769 at 20°C

Al ≤0.0005%
As ≤0.00005%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.005%
Cd ≤0.0005%
Cl  ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.002%
K  ≤0.005%
Li  ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni  ≤0.0005%
Pb  ≤0.0005%
SO₄ ≤0.005%
Sr  ≤0.0005%
Zn ≤0.0005%

磷酸二氢铵
应用
用于配制筛网或优化的结晶级磷酸二氢铵
特征
无菌过滤溶液
在 1+ 型超纯水中配制：25°C 时电阻率为 18.2 兆欧厘米，< 5 ppb 总有机碳，无细菌（<1 细菌（CFU/ml）），无热原（<0.03 内毒素（EU/ml）） , 无 RNase (< 0.01 ng/mL) 和无 DNase (< 4 pg/µL)
描述
磷酸二氢铵

同义词：磷酸二氢铵或磷酸一铵、磷酸二铵
NH4H2PO4
H6NO4P
115.03 先生
CAS 编号 7722-76-1
EC 编号 231-764-5
默克 14,543
MDL 编号 MFCD00003396
PubChem 物质 ID 24846397
纯度≥ 99.5%

测量的 pH 值范围：25°C 时为 3.5 – 3.8
电导率测量范围：81.9 – 100.1 mS/cm at 25°C
折射率范围：1.36710 – 1.36769 at 20°C

铝≤0.0005%
作为≤0.00005%
钡≤0.0005%
铋≤0.0005%
钙≤0.005%
镉≤0.0005%
氯≤0.005%
钴≤0.0005%
铬≤0.0005%
铜≤0.0005%
铁≤0.002%
钾≤0.005%
锂≤0.0005%
镁≤0.0005%
锰 ≤0.0005%
钼≤0.0005%
钠≤0.005%
镍≤0.0005%
铅≤0.0005%
SO4 ≤0.005%
锶≤0.0005%
锌≤0.0005%

2.5 M Ammonium phosphate monobasic

 HR2-555 Ammonium phosphate monobasic SDS

1. Crystallization of a soluble, catalytically active form of Escherichia coli leader peptidase. Paetzel, M; Chernaia, M; Strynadka, N; Tschantz, W; Cao, G; Dalbey, RE; Plapp, BV. Proteins 23, 122- 125, 1995.