Sodium sulfate decahydrate

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

InChI

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

SMILES string

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

grade

puriss. p.a.

assay

≥99.0% (calc. based on dry substance, T)

form

crystals

quality

crystallized

impurities

≤0.0005% total nitrogen (N)

loss

53-57% loss on drying, 130 °C

pH

5.0-8.0 (25 °C, 50 mg/mL in H₂O)

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg

cation traces

Ca: ≤20 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤20 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

Quality Level

200