SX0760E

Natriumsulfat

anhydrous, crystals, Meets ACS Specifications Tracepur^®

• Synonym(e): Disodium Sulfate
• Lineare Formel: Na₂SO₄
• CAS-Nummer: 7757-82-6
• Molekulargewicht: 142.04
• MDL-Nummer: MFCD00003504
• UNSPSC-Code: 12352302
• EG-Index-Nummer: 231-820-9

Eigenschaften

• Qualitätsniveau: 200
• Produktlinie: Tracepur^®
• Assay: ≥99.0%
• Form: crystals
• Verunreinigungen: ≤0.01% Insoluble matter; ≤1% Mesh size (100 and finer)
• Verlust: ≤0.5% loss on ignition
• Farbe: white
• pH-Wert: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 884 °C (lit.)
• Löslichkeit: 200 g/L
• Dichte: 2.68 g/mL at 25 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%
• Kationenspuren: Ca: ≤0.01%; Fe: ≤0.001%; K: ≤0.01%; Mg: ≤0.005%; N: ≤5 ppm; heavy metals: ≤5 ppm
• Versandbedingung: ambient
• Lagertemp.: room temp
• 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
• InChIKey: PMZURENOXWZQFD-UHFFFAOYSA-L

Beschreibung

Anwendung

anhydrous, crystals, Meets ACS Specifications Tracepur^®

Hinweis zur Analyse

Assay99.0% minCalcium (Ca)0.01% maxChloride (Cl)0.001% maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)0.001% maxLoss on ignition0.5% maxMagnesium (Mg)0.005% maxMesh size (10-30)80% minMesh size (10-60)95% minMesh size (100 and finer)1.0% maxNitrogen compounds (as N)5ppm maxPhosphate (PO4)0.001% maxPotassium (K)0.01% maxSuitability for residue analysis (dried 400°/4 hr)To pass testpH of a 5% solution at 25°C5.2-9.2

Rechtliche Hinweise

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

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable