磷酸二氢铵

等级

ACS reagent

质量水平

200

蒸汽压

<0.001 hPa ( 20 °C)

方案

≥98%

表单

crystals or chunks

杂质

≤0.005% NH₄OH pptd.
≤0.005% insolubles

pH值（酸碱度）

3.8-4.4 (25 °C, 5%)

mp

190 °C (dec.) (lit.)

痕量阴离子

chloride (Cl^-): ≤5 ppm
nitrate (NO₃^-): ≤0.001%
sulfate (SO₄^2-): ≤0.01%

痕量阳离子

Ca: 0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: 0.005%
Na: ≤0.005%
heavy metals (as Pb): ≤5 ppm

SMILES字符串

N.OP(O)(O)=O

InChI

1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)

InChI key

LFVGISIMTYGQHF-UHFFFAOYSA-N