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Home >> Inorganic Chemistry Dictionary >> Magnesium silicate Manganese heptoxide
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Magnesium nitride (Mg3N2)
a greenish-yellow amorphous powder obtained by burning magnesium in the atmosphere of nitrogen. It reacts with water forming magnesium hydroxide and ammonia.
Magnesium oxide
MgO, a white powder that (depending on the method of preparation) may be light and fluffy, or dense; melting point 2800°C; insoluble in acids, slightly soluble in water; used in making refractories, and in cosmetics, pharmaceuticals, insulation, and medicine.
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Magnesium perchlorate
Mg(CIO4)2.6H2O, white, deliquescent crystals; soluble in water and alcohol; explosive when in contact with reducing materials; used as a drying agent for gases.
Magnesium peroxide
MgO2, a tasteless, odourless white powder; soluble in dilute acids, insoluble in water; a fire hazard; used as a bleaching and oxidizing agent, and in medicine.
Magnesium silicate
3MgSiO3.5H2O, white, water insoluble powder, containing variable proportions of water of hydration; used a filler for rubber and in medicine.
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Magnesium sulphate
MgSO4, colourless crystals with a bitter, saline taste; soluble in glycerol; used in fireproofing, textile processes, ceramics, cosmetics, and fertilizers.
Magnesium sulphite
MgSO3.6H2O, a white, crystalline powder; insoluble in alcohol, slightly soluble in water; used in medicine and paper pulp.
Magnesium thiosulphate
MgS2O3.6H2O, colourless crystals that lose water at 170°C; used in medicine. Also known as magnesium hyposulphite.
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Magnesium trisilicate
Mg2Si3O8.5H2O, a white, odourless, tasteless powder; insoluble in water and alcohol; used as an industrial odour absorbent and in medicine.
Magnesium tungstates
MgWoO4, white crystals, insoluble in alcohol and water, soluble in acid; used in luminescent paint and for fluorescent X-ray screens.
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Malleability
the property which enables a body-particularly a metal – to be extended in all directions by hammering or rolling. The degree of malleability is gauged by the thinness of leaf or foil which it is possible to produce.
Malonyl
CH2(COO)2, a bivalent radical formed from malonic acid.
Maltol
C6H6O3, crystalline substance with a melting point of 161 - 162°C and a fragrant caramellike odour; used as a flavoring agent in bread and cakes. Also known as 3-hydroxy-2-methyl-g-pyrone; larixinic acid.
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Managanese steel
very hard variety of steel containing up to 13% manganese.
Maneb
Mn[SSCH(CH2)2NHCSS], a generic term for manganese ethylene-1, 2- bisdithiocarbamate; irritating to eyes, nose, skin, and throat; used as a fungicide.
Manganese (II) sulphate or manganous sulphate (MnSO4)
obtained by heating commercial block dioxide of manganese with sulphuric acid to redness.
Manganese bromide
MnBr2, forms hydrates (anhydrous by heating hydrates in stream of HBr, gas). Very soluble in water
Manganese carbonate
MnCO3, rose-col-ored crystals found in nature as rhodocrosite; soluble in dilute acids, insoluble in water; used in medicine, in fertilizer, and as a paint pigment.
Manganese dioxide
MnO2, a black, crystal-line water-insoluble compound, decomposing to manganese sesquioxide Mn2O3. and oxygen when heated to 535°C; used as a depolarizer in certain dry-cell batteries, as a catalysts, and in dyeing of textiles. Also known as battery manganese; manganese bi-oxide; manganese black; manganese peroxide.
Manganese gluconate
Mn(C6H11O7)2.2H2O, a pinkish powder, insoluble in benzene and alcohol, soluble in water; used in medicine, in vitamin tablets, and as a feed additive and dietary supplement.
Manganese halide
compound of manganese with a halide, such as chlorine, bromine, fluorine, or iodine.
Manganese heptoxide
Mn2O7, a compound formed as an explosive dark-green oil by the action of concentrated sulfuric acid on permanganate compounds.
Manganese lactate
Mn(C3H5O3)2.3H2O, pale-red crystal; insoluble in water and alcohol; used in medicine.
Manganese linoleate
Mn(C18H31O2)2, a dark-brown mass, soluble in linseed oil; used in pharmaceutical preparations and as a varnish and paint drier.
Manganese naphthenate
hard brown resinous mass, soluble in mineral spirits; melts at 135°C; contains 6% manganese in commercial solutions; used as a paint and varnish drier.
Manganese oleate
Mn(C18H33O2)2, granular brown mass, soluble in oleic acid and ether, insoluble in water; used in medicine and as a varnish drier.
Manganese oxalate
MnC2O4.2H2O a white crystalline compound, soluble in oleic acid and ether, insoluble in water; used in medicine and as a varnish drier.
Manganese oxide
MnO, green powder, soluble in acids, insoluble in water; melts at 1650°C; used in medicine, in textile printing, as a catalysts, in ceramics, and in dry batteries. Also known as manganese monoxide; manganous oxide.
Manganin
a copper alloy containing 13-18% of manganese and 1-4% of nickel. It has a high electrical resistance, which is relatively insensitive to temperature changes. It is therefore suitable for use in resistance wire.
Manganous chloride
MnCl2.4H2O, water-soluble, deliquescent rose-coloured crystals melting at 88°C; used as a catalyst and in paints, dyeing, and pharmaceutical preparations.
Manganous compounds
refers to compounds of manganese in its +2 oxidation state
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