1.05866

Magnesium oxide

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

• Synonyme(s) : Magnesium oxide, Magnesia usta
• Formule empirique (notation de Hill): MgO
• Numéro CAS: 1309-48-4
• Poids moléculaire : 40.30
• Numéro MDL: MFCD00011109
• Code UNSPSC : 12352303
• Numéro de classement CE : 215-171-9
• Nomenclature NACRES : NA.21

Propriétés

• Qualité: ACS reagent
• Niveau de qualité: 300
• Gamme de produits: EMSURE^®
• Pureté: ≥97% (complexometric)
• Forme: solid
• Impuretés: ≤0.02% Substances insoluble in hydrochloric acid; ≤0.02% Substances precipitated by ammonia; ≤0.4% Substances soluble in water
• Perte: ≤2% loss on ignition, 1000 °C
• pH: 10.3 (20 °C in H₂O, saturated solution)
• Point d'ébullition: 3600 °C/1000 hPa
• Pf: 2800 °C
• Densité: 3.58 g/cm³ at 25 °C
• Masse volumique apparente: 100 kg/m³
• Traces d'anions: 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%
• Traces de cations: 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%
• Température de stockage: no temp limit
• InChI: 1S/Mg.O
• Clé InChI: CPLXHLVBOLITMK-UHFFFAOYSA-N

Description

Remarque sur l'analyse

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

Informations légales

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

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable