1.05866

Magnesiumoxid

for analysis (max.0.001% SO₄) EMSURE^® ACS

• Synonym(e): Magnesiumoxid, Magnesia usta
• Empirische Formel (Hill-System): MgO
• CAS-Nummer: 1309-48-4
• Molekulargewicht: 40.30
• UNSPSC Code: 12352303
• EC Index Number: 215-171-9
• NACRES: NA.21
• MDL number: MFCD00011109
• Assay: ≥97% (complexometric)
• Grade: ACS reagent
• Form: solid

Eigenschaften

• grade: ACS reagent
• Quality Segment: 300
• product line: EMSURE^®
• assay: ≥97% (complexometric)
• form: solid
• impurities: ≤0.02% Substances insoluble in hydrochloric acid, ≤0.02% Substances precipitated by ammonia, ≤0.4% Substances soluble in water
• loss: ≤2% loss on ignition, 1000 °C
• pH: 10.3 (20 °C in H₂O, saturated solution)
• bp: 3600 °C/1000 hPa
• mp: 2800 °C
• density: 3.58 g/cm³ at 25 °C
• bulk density: 100 kg/m³
• anion traces: carbonate (CO₃^2-): ≤1.5%, chloride (Cl^-): ≤0.01%, nitrate (NO₃^-): ≤0.005%, sulfate (SO₄^2-): ≤0.001%, sulfate, sulfite (as SO₄^2-): ≤0.02%
• cation traces: As: ≤0.0001%, Ba + Sr (as Ba): ≤0.005%, Ca: ≤0.05%, Cu: ≤0.001%, Fe: ≤0.005%, K: ≤0.005%, Mn: ≤0.0005%, N: ≤0.002%, Na: ≤0.25%, Pb: ≤0.001%, Zn: ≤0.0005%, heavy metals (as Pb): ≤0.003%
• storage temp.: no temp limit
• SMILES string: [Mg]=O
• InChI: 1S/Mg.O
• InChI key: CPLXHLVBOLITMK-UHFFFAOYSA-N

Beschreibung

Analysis Note

Identität: entspricht
Gehalt (komplexometrisch): ≥ 97 %
Aussehen der Lösung: entspricht
In Wasser lösliche Substanzen: ≤ 0,4 %
In Salzsäure unlösliche Substanzen: ≤ 0,02 %
Mit Ammoniak ausfällbare Substanzen: ≤ 0,02 %
Carbonat (als CO₂): ≤ 1,5 %
Chlorid (Cl): ≤ 0,01 %
Nitrat (NO₃): ≤ 0,005 %
Sulfat (SO₄): ≤ 0,001 %
Sulfat und Sulfit (als SO₄): ≤ 0,02 %
Gesamtstickstoff (N): ≤ 0,002 %
Schwermetalle (als Pb): ≤ 0,003 %
As (Arsen): ≤ 0,0001 %
Ca (Calcium): ≤ 0,05 %
Cu (Kupfer): ≤ 0,001 %
Fe (Eisen): ≤ 0,005 %
K (Kalium): ≤ 0,005 %
Mn (Mangan): ≤ 0,0005 %
Na (Natrium): ≤ 0,25 %
Pb (Blei): ≤ 0,001 %
Zn (Zink): ≤ 0,0005 %
Barium und Strontium (als Ba): ≤ 0,005 %
Glühverlust (1000 °C): ≤ 2,0 %
Entspricht ACS

Legal Information

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

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable