1.05866

Magnesium oxide

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

• Sinonimo/i: Magnesium oxide, Magnesia usta
• Formula empirica (notazione di Hill): MgO
• Numero CAS: 1309-48-4
• Peso molecolare: 40.30
• Numero MDL: MFCD00011109
• Codice UNSPSC: 12352303
• Numero indice EU: 215-171-9
• NACRES: NA.21

Proprietà

• Grado: ACS reagent
• Livello qualitativo: 300
• Nome Commerciale: EMSURE^®
• Saggio: ≥97% (complexometric)
• Stato: solid
• Impurezze: ≤0.02% Substances insoluble in hydrochloric acid; ≤0.02% Substances precipitated by ammonia; ≤0.4% Substances soluble in water
• Perdita: ≤2% loss on ignition, 1000 °C
• pH: 10.3 (20 °C in H₂O, saturated solution)
• P. ebollizione: 3600 °C/1000 hPa
• Punto di fusione: 2800 °C
• Densità: 3.58 g/cm³ at 25 °C
• Densità bulk: 100 kg/m³
• Anioni in tracce: 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%
• Cationi in tracce: 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%
• Temperatura di conservazione: no temp limit
• Stringa SMILE: [Mg]=O
• InChI: 1S/Mg.O; CPLXHLVBOLITMK-UHFFFAOYSA-N

Descrizione

Risultati analitici

Identity: passes test
Assay (complexometric): ≥ 97 %
Appearance of solution: passes test
Substances soluble in water: ≤ 0.4 %
Substances insoluble in hydrochloric acid: ≤ 0.02 %
Substances precipitated by ammonia: ≤ 0.02 %
Carbonate (as CO₂): ≤ 1.5 %
Chloride (Cl): ≤ 0.01 %
Nitrate (NO₃): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.001 %
Sulfate and sulphite (as SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.05 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.005 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.25 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Barium and Strontium (as Ba): ≤ 0.005 %
Loss on ignition (1000 °C): ≤ 2.0 %
Conforms to ACS

Note legali

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

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable