无水磷酸氢二钠，Sodium phosphate dibasic；for molecular biology, ≥98.5% (titration)

等级

for molecular biology

质量水平

200

测定

≥98.5% (titration)

形式

powder

pH值（酸碱度）

8.9-9.2 (25 °C, 50 g/L in water)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

溶解性

H₂O: 100 mg/mL

痕量阴离子

chloride (Cl^-): ≤40 ppm

痕量阳离子

Fe: ≤20 ppm
heavy metals (as Pb): ≤10 ppm

application(s)

diagnostic assay manufacturing

异质活性

DNase, RNase and protease, none detected

SMILES string

[Na+].[Na+].[H]OP([O-])([O-])=O

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L