403008

Sodium sulfate decahydrate

ACS reagent, ≥99.0%

• 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: 329755975
• NACRES: NB.24

Properties

• grade: ACS reagent
• 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

Description

General description

Sodium sulfate decahydrate is also called as Glauber′s salt. It shows promising characteristics as phase change material (PCM) due to its high solar thermal energy storage ability.

Application

Sodium sulfate decahydrate may be used to deepen the color while dyeing cotton fabrics.6

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable