Magnesium sulfide stood for by the chemistry formula MgS that bears the IUPAC name sulfanylidenemagnesium <1> is a white crystalline inorganic compound that is moderately dissolve in water and acid <3>. It is one ionic link of magnesium and also sulfur <6>.

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Magnesium Sulfide


Magnesium Sulfide Identification

CAS Number12032-36-9 <1>
PubChem CID82824 <1>
ChemSpider ID8305407 <2>
EC Number234-771-1 <1>

How to do It

Magnesium sulfide can be developed by a reaction between hydrogen sulfide and also magnesium <4>.

H2S + Mg = MgS + H2


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Magnesium Sulfide Formula


Properties and Characteristics of Magnesium Sulfide

General Properties

Molar mass/molecular weight56.365 g/mol <1>

Physical Properties

Color/appearanceWhite come reddish-brown powder <3>
Melting point/freezing point>2000°C, >3632°F <3>
Boiling pointN/A <3>
Density 2.68 g cm-3 <3>
State of matter at room temperature (normal phase)Solid <3>

Chemical Properties

Solubility in waterDecomposes <3>

Atomic Properties

Crystal structureHalite (cubic) <3>

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Magnesium Sulfide Structure


Prominent Reactions

Magnesium sulfide reacts v water forming hydrogen sulfide and magnesium hydroxide <5>.

MgS + 2H2O = H2S + Mg(OH)2

It reacts through phosphoric mountain to give magnesium phosphate and also hydrogen sulfide <7>.

3MgS + 2H3PO4 = Mg3(PO4)2 + 3H2S

Magnesium sulfide reacts with hydrochloric mountain to create magnesium chloride and also hydrogen sulfide <8>.

MgS + 2HCl = MgCl2 + H2S

It reacts v nitric acid giving magnesium nitrate and also hydrogen sulfide <9>.

MgS + 2HNO3 = Mg(NO3)2 + H2S

Magnesium Sulfide (MgS) Uses

Being a wide band-gap straight semiconductor, the finds applications as a blue-green emitter and photodetector for ultraviolet light of quick wavelength <4>.As a lab reagent <10>.

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Is the Dangerous

It may catch fire if huge quantities space self-heated. MgS is acutely toxic as soon as swallowed or lugged in call with skin and eyes leading to eye damage. It is corrosive and very harmful to aquatic life. The compound is hazardous as soon as it come in contact with moisture producing poisonous hydrogen sulfide gas <1, 4>.