204447

Sodium sulfate

≥99.99% trace metals basis

• Synonym(s): Bisodium sulfate, Dibasic sodium sulfate, Disodium sulfate
• Linear Formula: Na₂SO₄
• CAS Number: 7757-82-6
• Molecular Weight: 142.04
• EC Number: 231-820-9
• MDL number: MFCD00003504
• UNSPSC Code: 12352302
• eCl@ss: 38030405
• PubChem Substance ID: 24852268
• NACRES: NA.23
• form: powder
• solubility: ethanol: insoluble(lit.)

Properties

• Quality Level: 200
• Assay: ≥99.99% trace metals basis
• form: powder
• impurities: ≤100.0 ppm Trace Metal Analysis
• mp: 884 °C (lit.)
• solubility: ethanol: insoluble(lit.)
• density: 2.68 g/mL at 25 °C (lit.)
• SMILES string: [Na+].[Na+].[O-]S([O-])(=O)=O
• InChI: 1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChI key: PMZURENOXWZQFD-UHFFFAOYSA-L

Description

Application

Sodium sulfate can be used to prepare aqueous solutions for various electrochemical reactions such as direct nitrate electroreduction and to study carrier transfer in Mn-oxide/Nb: SrTiO₃ photoelectrode. It can also be used as a solvent to fabricate heat storage materials such as silica gel–sodium sulfate composites.

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves