磷酸氢二铵，Ammonium phosphate dibasic [DAP]；puriss. p.a., ACS reagent, reag. Ph. Eur., ≥98% (alkalimetric)

等级

ACS reagent
puriss. p.a.

质量水平

100

Agency

reag. Ph. Eur.

测定

≥98% (alkalimetric)

形式

powder, crystals or granules

杂质

≤0.001% heavy metals (as Pb)

pH值（酸碱度）

7.7-8.1 (25 °C, 5%)

mp

155 °C (dec.) (lit.)

痕量阴离子

chloride (Cl^-): ≤0.001%
nitrate (NO₃^-): ≤0.003%
sulfate (SO₄^2-): ≤0.01%

痕量阳离子

Ca: ≤0.001%
Fe: ≤0.001%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%

储存温度

room temp

SMILES string

N.N.OP(O)(O)=O

InChI

1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

InChI key

MNNHAPBLZZVQHP-UHFFFAOYSA-N