1.06637

Sodium sulfate

anhydrous, coarse granules for analysis EMSURE^® ACS

• Linear Formula: Na₂SO₄
• CAS Number: 7757-82-6
• Molecular Weight: 142.04
• Número MDL: MFCD00003504
• Número índice de la CE: 231-820-9

Properties

• Nivel de calidad: 300
• grado: ACS reagent
• línea de producto: EMSURE^®
• ensayo: ≥99.0% (acidimetric)
• formulario: solid
• potencia: >2000 mg/kg LD₅₀, oral (Rat)
• impurezas: ≤0.01% Insoluble matter
• pérdida: ≤0.5% loss on ignition, 800 °C
• pH: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp: 884 °C (lit.)
• solubilidad: 200 g/L
• densidad: 2.68 g/mL at 25 °C (lit.)
• densidad aparente: 1400‑1600 kg/m³
• trazas de anión: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%
• trazas de catión: As: ≤0.0001%; Ca: ≤0.01%; Fe: ≤0.0005%; K: ≤0.002%; Mg: ≤0.001%; N: ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• temp. de almacenamiento: 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

Description

Nota de análisis

Assay (acidimetric): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 5.2 - 9.2
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on ignition (800 °C): ≤ 0.5 %
Particle size (250-2000 µm): ≥ 85 %
Corresponds to ACS

Información legal

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

Safety Information

• Código de clase de almacenamiento: 13 - Non Combustible Solids
• WGK: WGK 1
• Punto de inflamabilidad F: Not applicable
• Punto de inflamabilidad C: Not applicable