Sodium carbonate hydrate

InChI key

XYQRXRFVKUPBQN-UHFFFAOYSA-L

InChI

1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2

SMILES string

[Na+].[Na+].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-]C([O-])=O

grade

purum p.a.

assay

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

form

crystals and lumps, fine crystals

impurities

9-10 mol/mol water

pH

12 (25 °C, 143 g/L)

solubility

water: soluble 142.3 g/L at 20 °C

anion traces

chloride (Cl^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤50 mg/kg, Co: ≤50 mg/kg, Cu: ≤50 mg/kg, Fe: ≤50 mg/kg, K: ≤100 mg/kg, Ni: ≤50 mg/kg, Pb: ≤50 mg/kg, Zn: ≤50 mg/kg