Molecular Formula: Na2O4S
Molecular Weight: 142.04
Linear Structural Formula: Na2SO4
MDL Number: MFCD00003504
Purity: >=99%
Melting Point: 884 C (lit.)
Density: 2.68 g/mL at 25 C (lit.)
Storage: room temp
Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Grade: ACS reagent, Redi-Dri™, anhydrous
Assay: ≥99%
Form: granular, powder
Quality: free-flowing
Impurities: ≤0.01% insolubles, ≤5 ppm N compounds
Loss: ≤0.5% loss on ignition
pH: 5.2-9.2 (25 °C, 5%)
MP: 884 °C(lit.)
Density: 2.68 g/mL at 25 °C(lit.)
Anion Traces: chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%
Cation Traces: Ca: ≤0.01%, Fe: ≤0.001%, K: ≤0.01%, Mg: ≤0.005%, heavy metals (as Pb): ≤5 ppm
Storage Temp.: room temp