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Magnesium oxide

CAS:
1309-48-4
MF:
MgO
MW:
40.3

Properties

Melting point:
2852 °C (lit.)
Boiling point:
3600 °C
Density 
3.58
refractive index 
1.736
Flash point:
3600°C
storage temp. 
no restrictions.
solubility 
5 M HCl: 0.1 M at 20 °C, clear, colorless
form 
nanopowder
color 
White
Specific Gravity
3.58
PH
10.3 (H2O, 20℃)(saturated solution)
Water Solubility 
6.2 mg/L (20 ºC), reacts
Sensitive 
Air Sensitive
λmax
λ: 260 nm Amax: ≤0.040
λ: 280 nm Amax: ≤0.025
Merck 
14,5677
Stability:
Stable. Incompatible with bromine trifluoride, bromine trichloride, phosphorus pentachloride.
InChIKey
CPLXHLVBOLITMK-UHFFFAOYSA-N

Safety Information

HS Code 
25199099
Toxicity
TCLo inhalation in human: 400mg/m3

Use

Magnesium oxide is a basic compound and as such can react with acidic compounds in the solid state to form salts such as Mg(ibuprofen)2 or degrade alkaline-labile drugs.Adsorption of various drugs onto magnesium oxide has been reported, such as antihistamines, antibiotics (especially tetracyclines),salicylates, atropine sulfate,hyoscyamine hydrobromide, paracetamol, chloroquine; and anthranilic acid derivatives have been reported to adsorb onto the surface of magnesium oxide. Magnesium oxide can also complex with polymers, e.g. Eudragit RS, to retard drug release and can interact in the solid state with phenobarbitone sodium. Magnesium oxide can also reduce the bioavailability of phenytoin,trichlormethiazide,and antiarrhythmics.The presence of magnesium oxide can also have a negative impact on the solid-state chemical stability of drugs, such as diazepam.Magnesium oxide has been used as a stabilizer for omeprazole due to its strong waterproofing effect.

415 supplier list of "Magnesium oxide"

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