Magnesium sulfide stood for by the chemistry formula MgS the bears the IUPAC surname 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 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 deserve to be formed by a reaction between hydrogen sulfide and also magnesium <4>.

H2S + Mg = MgS + H2


Magnesium Sulfide Formula

Properties and Characteristics the Magnesium Sulfide

General Properties

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

Physical Properties

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

Chemical Properties

Solubility in waterDecomposes <3>

Atomic Properties

Crystal structureHalite (cubic) <3>


Magnesium Sulfide Structure

Prominent Reactions

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

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

It reacts with phosphoric mountain to offer magnesium phosphate and also hydrogen sulfide <7>.

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

Magnesium sulfide reacts through hydrochloric acid to develop 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 direct semiconductor, it finds application as a blue-green emitter and also photodetector because that ultraviolet irradiate of brief wavelength <4>.As a rap reagent <10>.

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Is that Dangerous

It may capture fire if huge quantities are self-heated. MgS is acutely toxic once swallowed or lugged in call with skin and also eyes resulting in eye damage. It is corrosive and very harmful come aquatic life. The link is hazardous as soon as it come in call with moisture producing poisonous hydrogen sulfide gas <1, 4>.