Sodium phosphate dibasic heptahydrate

grade

ACS reagent

Quality Level

200

vapor density

4.9 (vs air)

Assay

98.0-102.0%

form

powder

impurities

≤0.005% Insoluble matter

pH

8.7-9.3 (25 °C 5% in solution)

density

1.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^–): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

SMILES string

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

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2 3)4;;;;;;;/h;;(H3 1 2 3 4);7*1H2/q2*+1;;;;;;;;/p-2

InChI key

PYLIXCKOHOHGKQ-UHFFFAOYSA-L