grade

ACS reagent

Quality Level

200

assay

≥99%

form

crystals or chunks

impurities

≤0.001% N compounds
≤0.01% insolubles

pH

9.5-10.5 (25 °C, 5%)

anion traces

chloride (Cl^–): ≤0.002%
sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%
heavy metals (as Pb): ≤0.001%

SMILES string

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

InChI

1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4