grade

ACS reagent

Quality Level

200

Assay

≥99.0%

form

crystals

impurities

≤0.01% insolubles

pH

5.2-9.2 (25 °C, 5%)

mp

32.4 °C

solubility

water: soluble 322.2 g/L at 20 °C

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤5 ppm
phosphate (PO₄^3-): ≤5 ppm

cation traces

Ca: ≤0.005%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.003%
heavy metals (as Pb): ≤3 ppm

SMILES string

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

InChI

1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L