1.06637

Sulfato de sodio

anhydrous, coarse granules for analysis EMSURE^® ACS

• Fórmula lineal: Na₂SO₄
• Número de CAS: 7757-82-6
• Peso molecular: 142.04
• MDL number: MFCD00003504
• UNSPSC Code: 12352302
• EC Index Number: 231-820-9

Propiedades

• grade: ACS reagent
• Quality Level: 300
• product line: EMSURE^®
• assay: ≥99.0% (acidimetric)
• form: solid
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.01% Insoluble matter
• loss: ≤0.5% loss on ignition, 800 °C
• pH: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp: 884 °C (lit.)
• solubility: 200 g/L
• density: 2.68 g/mL at 25 °C (lit.)
• bulk density: 1400‑1600 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%
• cation traces: As: ≤0.0001%; Ca: ≤0.01%; Fe: ≤0.0005%; K: ≤0.002%; Mg: ≤0.001%; N: ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• 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

Descripción

Application

• Removal of Sodium Sulfate from Iron Phosphate: Sodium sulfate is also involved in methods for removing impurities from chemical compounds. A recent study focused on developing a method to remove sodium sulfate from iron phosphate, an essential process in the production of high-purity materials for various industrial applications. This research highlights the importance of sodium sulfate in refining chemical processes and improving the quality of industrial products (Li et al., Advances in Analytical Chemistry, 2022).

Analysis Note

Valoración (acidimétrica): ≥ 99,0 %
Identidad: pasa la prueba
Materia insoluble: ≤ 0,01 %
Valor de pH (5 %; agua): 5,2 - 9,2
Cloruros (Cl): ≤ 0,001 %
Fosfatos (PO₄): ≤ 0,001 %
Nitrógeno total (N): ≤ 0,0005 %
Metales pesados (como Pb): ≤ 0,0005 %
As (Arsénico): ≤ 0,0001 %
Ca (Calcio): ≤ 0,01 %
Fe (Hierro): ≤ 0,0005 %
K (Potasio): ≤ 0,002 %
Mg (Magnesio): ≤ 0,001 %
Pérdida por ignición (800 °C): ≤ 0,5 %
Tamaño de partícula (250- 2000 µm): ≥ 85 %
Se ajusta a ACS

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Información de seguridad

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