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Magnesium oxide, 500 g

≥98 %, Ph.Eur., light
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Pack Qty.
Pack.
Magnesia burnt
Empirical formula MgO
Molar mass (M) 40,30 g/mol
Density (D) 3,58 g/cm³
Boiling point (bp) 3600 °C
Melting point (mp) 2800 °C
WGK 1
CAS No. [1309-48-4]
EG-Nr. 215-171-9


Guarantee analysis

€21.40/Pack Qty. 

excl. VAT. | 500 g per Pack Qty.

Art. No. 8280.2

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Product details



Magnesium oxide ≥98 %, Ph.Eur., light

Technical Information
Checked according to pharmacopoeia Ph.Eur. 
Suitable (as desiccant) for Alkaline fluids, hydrocarbons, alcohols 
Not suitable (as desiccant) for Acidic compounds 
Regeneration 800 °C 
Magnesium oxide
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8280.1 1 kg plastic €31.10
8280.2 500 g plastic €21.40
8280.3 5 kg plastic €132.15
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General information

Desiccants

Desiccants can absorb water and bind it chemically (reversibly or irreversibly) or physically. The main desiccants can be subdivided into four categories:

• non-renewable chemical desiccants
• renewable chemical desiccants
• silica gels
• molecular sieves


Drying methods for solvents

Solvent Molecular

sieve
Potassium

carbonate
Calcium

chloride
Phosphous

pentoxide
Acetic acid - - - +
Acetic acid anhydride - - + -
Acetic acid ethyl ester 4 Å + - +
Acetic acid methyl ester 4 Å + - +
Acetone 3 Å + + -
Acetonitrile 3 Å + + +
Benzene 4 Å - + -
1-Butanol - + - -
2-Butanol - + - -
1-Butanone - + + -
Chloroform 4 Å - + +
Cyclohexane 4 Å - - -
Dichloremethane 4 Å - - -
Diethylether 4 Å - + -
Diisopropyl ether 4 Å - + -
Dimethyl formamide 4 Å - - -
Dioxan 4 Å - + -
Ethanol 3 Å - - -
Ethyle formate - - + -
n-Hexane 4 Å - - -
Methanol 3 Å - + -
2-Propanol 3 Å - - -
Pyridine 4 Å - - -
Tetrahydrofurane 4 Å - + -
Toluene 4 Å - + -
Trichloroethylene - + - -
Xylene (Isomer compound) 4 Å - + -

Certificates of Analysis

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The following analysis certificates have been found:

Guarantee analysis

Appearancewhite, fine powder  
Assay (based on calcinated substance)98,0-100,5 %  
Identitycomplies  
Appearance of solutioncomplies  
Soluble substances≤2,0 %  
Substances insoluble in CH3COOH≤0,1 %  
Chloride (Cl)≤0,15 %  
Sulphate (SO4)≤1,0 %  
Arsenic (As)≤0,0004 %  
Calcium (Ca)≤1,5 %  
Iron (Fe)≤0,1 %  
Loss on ignition (900 °C)≤8,0 %  

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