17876

Sodium sulfate

granulated, puriss. p.a., ACS reagent, drying agent (for solvents and gases), ≥99.0%

• Linear Formula: Na₂SO₄
• CAS Number: 7757-82-6
• Molecular Weight: 142.04
• EC Number: 231-820-9
• MDL number: MFCD00003504
• UNSPSC Code: 12352300
• PubChem Substance ID: 24850767

Properties

• grade: ACS reagent; drying agent (for solvents and gases); puriss. p.a.
• description: anhydrous
• assay: ≥99.0% (T); ≥99.0%
• quality: granulated
• impurities: ≤0.0005% total nitrogen (N)
• loss: ≤0.5% loss on ignition, 900 °C
• particle size: 0.2-2 mm
• pH: 5.2-9.2 (25 °C, 50 mg/mL in H₂O)
• mp: 884 °C (lit.)
• density: 2.68 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤10 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg
• cation traces: As: ≤0.1 mg/kg; Ca: ≤20 mg/kg; Cd: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Mg: ≤20 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤50 mg/kg
• 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

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)