Magnesium Sulphide

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Magnesium Sulphide
Chemistry Individual Project - Presentation

• City Chow
• F.3B (9)

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Basic Information

• Molecular fomula MgS
• Each formed by the reaction of sulphur (S) or
  hydrogen sulphide with magnesium (Mg).
• Type Ionic bonds
• Molar mass 56.37 g/mol
• Electron diagram

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Physical Properties

• Melting point / Boiling point gt2000C /
  undefined
• Physical state at room temperature solid
• Colour white, red, or pale red brown
• density 2.68 g/cm3
• solubility in water decomposes
• Appearance white, pale red to reddish-brown
  crystalline solid

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Chemical properties

• Reactivity
• MgS reacts with water to give hydrogen
  sulphide and magnesium hydroxide.
• (i.e. MgS evolves hydrogen sulphide upon contact
  with moisture.)

• Laboratory Preparations
• Store in tightly closed containers in a cool,
  dry place.
• Wash hands and face after use.
• Handle in a controlled atmosphere.
• Extinguishing media Use dry chemical, CO2 or
  graphite. DO NOT USE WATER.

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Chemical properties

• Protection
• Respiratory Wear dust-mist-fume respirator.
• Hands / Skin Wear gloves made of
  Neoprene(????)
• Eyes Safety goggles or glasses.
• Other Protective Clothing or Equipment Wear
  protective clothing to prevent contamination of
  skin and clothes.

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Uses

• It is generated industrially in the production
  of metallic iron.

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Potential Hazards

• Inhalation(??)
• May cause sneezing, coughing, difficulty
  breathing, and irritation of the respiratory
  tract.
• Contact with skin
• May cause irritation, itching, and
  dermatitis(???).
• Contact with eyes
• May cause burning sensation, irritation, redness
  and watering of the eyes if it comes in contact.

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Furthermore

• Stability Stable

• Element analysis

Element   Symbol   Atomic Mass   of Atoms   Mass Percent
Magnesium Mg 24.3050 1 43.117
Sulphur S 32.065 1 56.883
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Resources

• Kosmix http//people.kosmix.com/topic/MgSixzz1KY
  oDwefv
• Yahoo! http//www.yahoo.com.hk
• Flickr http//www.flickr.com.hk
• Wikipedia http//en.wikipedia.org/wiki/Magnesium_
  sulfide
• Columbia Analytical Services http//www.caslab.co
  m/Magnesium_sulfide_CAS_12032-36-9/

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Thank You!
Chemistry Individual Project - Presentation
End.