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Winnofil SPM, MgCO3 (archaic name magnesia alba), is an inorganic salt that is a colourless or white solid.
Several hydrated and basic forms of Winnofil SPM also exist as minerals.
Mainly used for natural rubber to improve elasticity as keeping its translucency.
Winnofil SPM occurs in nature as the mineral magnesite and is an important source of elemental magnesium.
CAS Number: 13717-00-5
EC Number: 208-915-9
IUPAC Name: magnesium carbonate
Chemical Formula: MgCO3
Other names: Magnesium carbonate anhydrous, Magmaster, Carbonate magnesium, Caswell No. 530, Stan-mag magnesium carbonate, Magnesium carbonate (MgCO3), DCI light magnesium carbonate, HSDB 211, Magnesiumkarbonat, Magnesium(II) carbonate (1:1), EINECS 208-915-9, NSC 83511, EPA Pesticide Chemical Code 073503, CI 77713, MgCO3, UNII-0IHC698356, CHEBI:31793, AI3-00768, Light magnesium carbonate, Magnesium (as carbonate), Magnesium Carbonate Light, EC 208-915-9, 208-915-9, HEAVY MAGNESIUM CARBONATE, Magnesio carbonato, Magnesium carbonicum 6, Humco Dewees Carminative, USEPA/OPP Pesticide Code: 073503, ccris 6856, hydrated normal magnesium carbonate (mart.), magnesia carbonica, magnesium carbonate (1:1) hydrate, magnesium carbonate (ii), magnesium carbonate (mart.), magnesium carbonate (usp impurity), magnesium carbonate (usp monograph), magnesium carbonate (usp-rs), magnesium carbonate component of renacidin, magnesium carbonate monohydrate, magnesium carbonate, heavy, magnesium carbonate, heavy (ep monograph), magnesium carbonate, light, magnesium carbonate, light (ep monograph), unii-0e53j927na, 546-93-0, Magnesite, 13717-00-5, magnesium;carbonate, Magnesite (Mg(CO3)), Magnesite dust, Carbonic acid, magnesium salt (1:1), Hydromagnesite, Magnesium carbonate (1:1), 7757-69-9, C.I. 77713, Ins no.504(i), MAGNESIUM CARBONATE, LIGHT AR, Anhydrous magnesium carbonate, Ins-504(i), Magnesium carbonate gold star, E-504(i), NSC-83511, 0IHC698356, 53678-75-4, Giobertite, Kimboshi, Apolda, Destab, Magfy, GP 20 (carbonate), MA 70 (carbonate), Gold Star (carbonate), Magnesium carbonate [USAN], Australian magnesite, Magnesium carbonate,light, Magnesium carbonate; Magnesium carbonate light; Hydrated basic magnesium carbonate, EINECS 231-817-2, MFCD00064632, Carbonic acid, magnesium salt (1:?), Magnesium carbonate - heavy, SCHEMBL1183, Carbonic Acid Magnesium Salt, CHEMBL1200736, DTXSID4049660, Magnesium Carbonate Microparticles, CS-B1764, Magnesium, [carbonato(2-)-|EO]-, MAGNESIUM CARBONATE [WHO-DD], AKOS015903527, Magnesium carbonate powder 1-5 micron, DB09481, FM32755, E504, DB-254188, DB-255103, ANHYDROUS MAGNESIUM CARBONATE [MART.], NS00074347, Q407931
Winnofil SPM can be produced artificially by the action of carbon dioxide on a variety of magnesium compounds.
Winnofil SPM, Mg CO3 (archaic name magnesia alba), is an inorganic salt that is a white solid.
Several hydrated and basic forms of Winnofil SPM also exist as minerals.
Winnofil SPM consists of white trigonal crystals.
Winnofil SPM is practically insoluble in water, acetone, and ammonia.
All forms of Winnofil SPM react with acids.
Winnofil SPM crystallizes in the calcite structure wherein Mg2+ is surrounded by six oxygen atoms.
The dihydrate has a triclinic structure, while the trihydrate has a monoclinic structure.
References to "light" and "heavy" Winnofil SPMs actually refer to the magnesium hydroxy carbonates hydromagnesite and dypingite.
Winnofil SPM is ordinarily obtained by mining the mineral magnesite.
Seventy percent of the world's supply is mined and prepared in China.
The primary use of Winnofil SPM is the production of magnesium oxide by calcining.
Winnofil SPM and dolomite minerals are used to produce refractory bricks.
Winnofil SPM is also used in flooring, fireproofing, fire extinguishing compositions, cosmetics, dusting powder, and toothpaste.
Other applications are as filler material, smoke suppressant in plastics, a reinforcing agent in neoprene rubber, a drying agent, a laxative to loosen the bowels, and colour retention in foods.
In addition, high purity Winnofil SPM is used as an antacid and as an additive in table salt to keep it free flowing.
Winnofil SPM can do this because it doesn't dissolve in water, only acid, where it will effervesce.
Because of its low solubility in water and hygroscopic properties, MgCO3 was first added to salt in 1911 to make it flow more freely.
Winnofil SPM, most often referred to as "chalk", is also used as a drying agent on athletes' hands in rock climbing, gymnastics, weight lifting and other sports in which a firm grip is necessary.
As a food additive, Winnofil SPM is known as E504, for which the only known side effect is that it may work as a laxative in high concentrations.
Winnofil SPM is used in taxidermy for whitening skulls.
Winnofil SPM can be mixed with hydrogen peroxide to create a paste, which is then spread on the skull to give it a white finish.
Winnofil SPM is used as a matte white coating for projection screens.
Winnofil SPM is a magnesium salt with formula CMgO3.
Winnofil SPMs hydrated forms, particularly the di-, tri-, and tetrahydrates occur as minerals.
Winnofil SPM has a role as an antacid and a fertilizer.
Winnofil SPM is a magnesium salt, a carbonate salt and a one-carbon compound.
Winnofil SPM, also known as magnesite, is a common over the counter remedy for heartburn and upset stomach caused by overproduction of acid in the stomach.
Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder.
Density: 3-3.1 g cm-3.
An important ore for magnesium.
Used in the manufacture of materials capable of withstanding very high temperatures.
Sometimes used to produce carbon dioxide.
Winnofil SPM is one of many salts of magnesium used clinically.
The carbonate and other salts, such as trisilicate, citrate, oxide and sulfate, are used widely for relief of gastrointestinal symptoms of dyspepsia, heartburn, gastroesophageal reflux disease, and constipation, by acting as antacids and laxatives.
Although the carbonate is only used as an antacid or laxative, some salts may also have other uses as indicated in records for the individual salts.
The sulfate salt, in particular, has many additional medical uses and the reader is referred particularly to the record for magnesium sulfate.
Like several other magnesium salts, the carbonate is rarely given alone and is usually combined with other antacids.
Winnofil SPM has the molecular formula of MgCO3 and the molecular weight of 84.3145 g/mol.
For the most part, Mg2+ forms several hydrated and basic carbonates that are stable and occur in nature.
Winnofil SPM is obtained mainly by mining the natural mineral magnesite.
The trihydrate salt, MgCO3·3H2O, is prepared by mixing solutions of magnesium and carbonate ions in the presence of carbon dioxide.
Basic Winnofil SPM occurs in nature as the mineral, “Hydromagnesite”.
Winnofil SPM is obtained by mining the ore followed by purification.
Winnofil SPMs also can be made by drying the Winnofil SPM trihydrate at about 100 °C.
Winnofil SPM can be prepared by simply boiling a solution of magnesium bicarbonate.
Winnofil SPM is obtained by carbonation of a magnesium hydroxide slurry below 50 °C and under a CO2 partial pressure of 3.5 to 5 atm.
Winnofil SPM is a water insoluble Magnesium source that can easily be converted to other Magnesium compounds, such as the oxide by heating (calcination).
Carbonate compounds also give off carbon dioxide when treated with dilute acids.
Winnofil SPM is generally immediately available in most volumes.
High purity, submicron and nanopowder forms may be considered.
Winnofil SPM occurs in nature in several minerals as hydrated, basic and double salts, as shown above.
The two principal minerals are magnesite, MgCO3 and dolomite, a double salt, CaCO3•MgCO3.
Winnofil SPMs are used as source materials in the production of magnesium metal.
Winnofil SPMs are calcined to produce basic refractory bricks.
Other applications of Winnofil SPM are in flooring, fireproofing and fire-extinguishing compositions; as a filler material and smoke suppressant in plastics; as a reinforcing agent in neoprene rubber; as a drying agent and for color retention in foods; in cosmetics; in dusting powder; and in toothpaste.
The high purity Winnofil SPM is used as an antacid in medicine; and as an additive to table salt.
Another important application of Winnofil SPM is as a starting material in producing a number of magnesium compounds.
Winnofil SPM is obtained mainly by mining its natural mineral magnesite.
Winnofil SPM is prepared by mixing solutions of magnesium and carbonate ions in the presence of carbon dioxide.
Basic Winnofil SPM occurs in nature as the mineral hydromagnesite.
Winnofil SPM is obtained by mining the ore followed by purification.
Winnofil SPMs also can be made by drying the Winnofil SPM trihydrate at about 100°C.
Alternatively Winnofil SPM can be prepared by simply boiling a solution of magnesium bicarbonate.
The bicarbonate is obtained by carbonation of a magnesium hydroxide slurry below 50°C and under a CO2 partial pressure of 3.5 to 5 atm.
The calcite structure of Winnofil SPM has the form wherein Mg2+ is surrounded by six O2- atoms.
The dihydrate composition has a triclinic structure, while the trihydrate has a monoclinic structure.
References to “light” and “heavy” Winnofil SPMs actually refer to the magnesium hydroxycarbonates.
A space-filling structure of the anhydrous salt is seen in the above diagram where the triangular CO3 2- groups are clearly visible.
Light, bulky, white powder. Soluble in acids; very slightly soluble in water; insoluble in alcohol.
Noncombustible.
At room temperature, linolenic acid is a colorless liquid; soluble in most organic solvents; insoluble in water.
Combustible.
Winnofil SPM is a chemical element with symbol Mg and atomic number 12.
Winnofil SPM is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic table: all Group 2 elements have the same electron configuration in the outer electron shell and a similar crystal structure.
Winnofil SPM is a gray-white lightweight metal, two-thirds the density of aluminium.
Winnofil SPM tarnishes slightly when exposed to air, although, unlike the other alkaline earth metals, an oxygen-free environment is unnecessary for storage because magnesium is protected by a thin layer of oxide that is fairly impermeable and difficult to remove.
Winnofil SPM has the lowest melting (923 K (1,202 °F)) and the lowest boiling point 1,363 K (1,994 °F) of all the alkaline earth metals.
Winnofil SPM is probably one of the most common metals distributed in nature, constituting about 2.4% of the earth’s crust.
Winnofil SPM, however, does not occur in nature in elemental form.
Winnofil SPMs are dolomite [CaMg(CO3)2], magnesite MgCO3; carnallite KCl•MgCl2•6H2O, and silicate materials, such as talc Mg3(Si4O10)(OH)2 and asbestos H4Mg3Si2O9.
Winnofil SPM also is found in seawater, natural underground brines and salt deposits.
Winnofil SPMs concentration in sea water is 1,350 mg/L. Magnesium also occurs in all plants.
Winnofil SPMs porphyrin complex, chlorophyll, is essential for photosynthesis.
Winnofil SPM and its alloys have numerous uses in chemical, electrochemical, metallurgy, and electronic industries.
Winnofil SPMs thermal and electrical properties, lightness, and ease of fabrication into useful shapes make it an attractive choice in industrial applications.
Winnofil SPM is alloyed with aluminum for various structural uses.
Winnofil SPMs alloys with zinc, copper, nickel, lead, zirconium and other metals have many uses too.
Winnofil SPM alloys are used in automobile parts, aircraft, missiles, space vehicles, ship hulls, underground pipelines, memory discs, machine tools, furniture, lawn mowers, ladders, toys, and sporting goods.
Winnofil SPM also is used in making small and lightweight dry cell batteries.
Chemical applications of Winnofil SPM include its use as a reducing agent, to prepare Grignard reagent for organic syntheses, and to purify gases.
Winnofil SPM also is used in blasting compositions, explosive sensitizers, incendiaries, signal flares, and pyrotechnics. Magnesium salts have numerous uses.
They are discussed individually.
Winnofil SPM is a lightweight, silvery-white, malleable alkali earth metal that is flammable.
Winnofil SPM has a weak electronegativity (–1.31), which means Winnofil SPM is highly reactive as it combines withsome nonmetals.
As with other alkali earth metals, Winnofil SPM is a good conductor of heatand electricity.
Winnofil SPMs melting point is 648.8°C, its boiling point is 1090°C, and its density is 1.74 g/cm3, making it about one-fifth the density of iron and only two-thirds as dense asaluminum.
Small particles of powdered magnesium metal burn with a bright white flame that makesthe magnesium ideal for aerial flares dropped from airplanes that will light up ground areas.
Winnofil SPM is has also been used in aerial firebombs during wars to devastate a city by fire because waterwill not extinguish the flames—sand must be used.
In the past decades, Winnofil SPM wireor foil was placed inside glass bulbs containing pure oxygen to form flash bulbs for photographic purposes.
When an electric charge ignites the magnesium, a brilliant light is produced.
Today most flash cameras use a strobe light instead of flash bulbs.
Winnofil SPM is lighter in weight than aluminum and, thus, would make anexcellent construction metal were it not for its high reactivity and flammability at a rather lowtemperature when compared to other metals.
Winnofil SPM is an excellent metal to alloy with other metalsfor use in the aircraft, space, and automobile industries.
Winnofil SPM is used for the production (thermal reduction) of other metals, such as zinc, iron, titanium, zirconium, and nickel.
For instance, because of its strong electropositive nature, magnesium can “desulfurize” molten iron when it combines with the sulfur impurities in the ironto produce high-grade metallic iron plus MgS.
Winnofil SPM is an alkaline (basic) water suspension and “creamy-like” suspended formof magnesium hydroxide, Mg(OH)2.
Winnofil SPM is used in the manufacture of fireworks and marine flares where a brilliant white light is required.
Flame temperatures of Winnofil SPM and magnesium alloys can reach 1371°C (2500 F), although flame height above the burning metal is usually less than 300 mm (12 in).
Winnofil SPM may be used as an ignition source for “thermite”, or otherwise difficult to ignite mixture of aluminum and iron oxide powder.
Winnofil SPMs are typically white crystals.
Most are soluble in water, providing the sour-tasting Winnofil SPM ion, Mg2+.
Small amounts of dissolved magnesium ion contribute to the tartness and taste of natural waters.
Winnofil SPM ion in large amounts is an ionic laxative, and magnesium sulfate is sometimes used for this purpose.
Socalled Winnofil SPM is a water suspension of one of the few insoluble magnesium compounds, Mg(OH)2.
The undissolved particles give rise to its appearance and name.
Winnofil SPM is a mild base commonly used as an antacid.
Commercially, the chief use for Winnofil SPM is as an alloying agent to make Al Mg alloys, sometimes called magnalium or magnelium.
Winnofil SPM is less dense than aluminum, these alloys are valued for their relative lightness and strength.
Winnofil SPM is an important element for plant and animal life.
The adult human daily requirement of Winnofil SPM is about 0.3 g/day.
Winnofil SPM is the 11th most abundant element by mass in the human body.
Winnofil SPMs ions are essential to all living cells, where they play a major role in manipulating important biological polyphosphate compounds like ATP, DNA and RNA.
Hundreds of enzymes thus require magnesium ions in order to function.
Winnofil SPM, being the metallic ion at the center of chlorophyll, is thus a common additive to fertilizers.
Winnofil SPMs are used medicinally as common laxatives, antacids, and in a number of situations where stabilization of abnormal nerve excitation and blood vessel spasm is required.
Winnofil SPMs are sour to the taste, and in low concentrations help to impart a natural tartness to fresh mineral waters.
Winnofil SPM is mined from its naturally occurring mineral rhodochrosite.
Winnofil SPM may be prepared in the laboratory as a palepink precipitate by adding sodium bicarbonate to a solution of manganese(II) salt saturated with carbon dioxide.
Winnofil SPM obtained is monohydrate, MnCO3•H2O.
However, if the carbon dioxide-saturated solution, together with the above monohydrate precipitate, is heated in the absence of atmosphere oxygen, the monohydrate MnCO3•H2O is converted into the anhydrous MnCO3.
USES:
Winnofil SPM is an anticaking agent and general purpose food additive.
Winnofil SPM is practically insoluble in water but is more soluble in water containing carbon dioxide.
Winnofil SPM imparts a slightly alkaline reaction to the water.
Winnofil SPM is used as an alkali in sour cream, butter, and canned peas.
Winnofil SPM is used as an anticaking agent in table salt and dry mixes.
Winnofil SPM assists in providing clarity in algin gels and functions as a filler in dental impression materials.
Winnofil SPMs, heat insulation and refractory, rubber reinforcing agent, inks, glass, pharmaceuticals, dentifrice and cosmetics, free-running table salts, antacid, making magnesium citrate, filtering medium.
In foods as drying agent, color retention agent, anticaking agent, carrier.
Winnofil SPM (MgCO3) is found in a mixture of natural minerals.
Winnofil SPM can also be produced in several ways, including pumping carbon dioxide through magnesium oxide or magnesium hydroxide.
Winnofil SPM is used in pharmaceuticals such as magnesium citrate and as a desiccant to keep hydroscopic products from caking and to strengthen rubber and produce dyes, inks, and cosmetics.
CHEMICAL PROPERTIES:
Winnofil SPM is a light, bulky white powder, very slightly soluble in water,loses CO2 even on gentle heating.
Winnofil SPM is used extensively in the manufacture of food products, pharmaceuticals, cosmetics, and magnesium salts.
