正磷酸钠 十二水合物

200

≥98%

crystalline

≤0.001% heavy metals (as Pb), ≤2.5% free alkali (as NaOH)

boiling water: soluble 1 part, water: soluble 3.5 parts, alcohol: insoluble

1.62 g/mL at 25 °C

chloride (Cl^-): ≤0.01%, sulfate (SO₄^2-): ≤0.01%

As: ≤1 mg/kg, Fe: ≤10 mg/kg

O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O

1S/3Na.H3O4P.12H2O/c;;;1-5(2,3)4;;;;;;;;;;;;/h;;;(H3,1,2,3,4);12*1H2/q3*+1;;;;;;;;;;;;;/p-3

ASTWEMOBIXQPPV-UHFFFAOYSA-K