71970

Sodium sulfate decahydrate

puriss. p.a., crystallized, ≥99.0% (calc. based on dry substance, T)

• Synonym(s): Glauber’s salt
• Linear Formula: Na₂SO₄ · 10H₂O
• CAS Number: 7727-73-3
• Molecular Weight: 322.20
• EC Number: 231-820-9
• MDL number: MFCD00149189
• UNSPSC Code: 12352302
• PubChem Substance ID: 329763671
• NACRES: NA.21
• Assay: ≥99.0% (calc. based on dry substance, T)
• Form: crystals

Properties

• 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
• 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

Description

General description

Sodium sulfate decahydrate (Glauber′s salt, mirabilite, Na₂SO₄·10H₂O) is the decahydrate salt of sodium sulfate. Its crystal structure has been investigated by single-crystal neutron diffraction studies.[1] Its crystallization enthalpy has been evaluated.[2] It can be synthesized by reacting MnSO₄, thiophene-2,5-dicarboxylic acid and sodium glutamate.[3]

Application

• Nanoscale Stabilization Mechanism of Sodium Sulfate Decahydrate at Polyelectrolyte Interfaces: Discusses the stabilization mechanisms at the nanoscale, providing insights into sodium sulfate decahydrate′s applications in polyelectrolyte-enhanced processes, relevant in materials science and engineering (Akamo et al., 2024).

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable