Sulfuryl Chloride(SO2Cl2) Properties(25 Complete Facts)

Sulfuryl chloride is a strong acid with formula SO₂Cl₂. Let us explore sulfurylchloride in detail.

Sulfuryl chloride can be prepared by the reaction of sulfur dioxide with chlorine in the presence of activated carbon as a catalyst. Sulfuryl chloride is miscible with benzene, toluene, chloroform, CCl_4, glacial acetic acid.

Let us discuss viscosity, molar mass, oxidation states, molar density etc. of sulfuryl chloride in this article.

Sulfuryl chloride IUPAC name

The IUPAC name of Sulfuryl Chloride is Sulfuryl Chloride.

Sulfuryl chloride chemical formula

The chemical formula of Sulfuryl Chloride is SO₂Cl₂.

Sulfuryl chloride CAS number

The CAS number of Sulfuryl Chloride is 7791-25-5.

Sulfuryl chloride ChemSpider ID

SO₂Cl₂ has the ChemSpider ID as 23050.

Sulfuryl chloride chemical classification

The chemical classification of SO₂Cl₂ is as follows-

• SO₂Cl₂ is an acid halide.
• SO₂Cl₂ is an inorganic compound.
• SO₂Cl₂ exists in liquid state at room temperature.
• The central atom S belongs to group 16.

Sulfuryl chloride molar mass

The molar mass of SO₂Cl₂ is 136.96 g/mol. The molar mass of S atom is 32.065 g/mol, Cl atom is 35.5 g/mol and O atom is 16.00 g/mol.

Sulfuryl chloride color

SO₂Cl₂ is colourless. It turns yellow upon standing on exposure to light or air.

Sulfuryl chloride viscosity

The viscosity of SO₂Cl₂ is 0.596 cP at 20 ^οC.

Sulfuryl chloride molar density

The molar density of SO₂Cl₂ is 1.67 g/cm³ at 20 ^οC.

Sulfuryl chloride melting point

The melting point of SO₂Cl₂ is -54.1 ^οC or 219.1 K.

Sulfuryl chloride boiling point

The boiling point of SO₂Cl₂ is 69.4 ^οC or 342.5 K.

Sulfuryl chloride state at room temperature

SO₂Cl₂ exists as colourless liquid state at the room temperature.

Sulfuryl chloride covalent bond

SO₂Cl₂ contains 6 covalent bonds. Each oxygen atom forms double bonds with Sulfur while each Cl atom forms a single bond.

Sulfuryl chloride covalent radius

Sulfur has a larger covalent radius of 105 pm. The covalent radius of Cl is 102 pm and the covalent radius of Oxygen is 53 pm.

Sulfuryl chloride electron configurations

Electronic configuration is the placing of electrons in atomic or molecular orbitals. Let us find out the electronic configuration of atoms of SO₂Cl₂ below.

The electronic configuration of Sulfur is [Ne] 3s² 3p⁴, chlorine [Ne] 3s² 3p⁵ and that of Oxygen is [He] 2s² 2p⁴.

Sulfuryl chloride oxidation state

The oxidation state of sulfur in SO₂Cl₂ is +6. The oxidation state of chlorine is -1 while the oxidation state of Oxygen is -2.

Sulfuryl chloride acidity/alkaline

SO₂Cl₂ is a strong acid. It is a volatile acid.

Is sulfuryl chloride odourless?

SO₂Cl₂ has a pungent odour.

Is sulfuryl chloride paramagnetic?

A paramagnetic substance weakly attracted by the magnetic field while a diamagnetic substance is repelled by the magnetic field. Let us discuss it.

SO₂Cl₂ is diamagnetic in nature because it does not contain any unpaired electrons and is repelled by the magnetic field.

Sulfuryl chloride hydrates

SO₂Cl₂ forms hydrates with the ice-cold water, SO₂Cl₂.15H₂O. This hydrate of SO₂Cl₂ resembles camphor in appearance.

SO₂Cl₂ + 15H₂O –> SO₂Cl₂.15H₂O

Sulfuryl chloride crystal structure

SO₂Cl₂ crystal structure is tetrahedral.

Sulfuryl chloride polarity and conductivity

• SO₂Cl₂ is polar compound because of the unequal charge distribution on the central atom Sulfur.
• SO₂Cl₂ shows ionic conductivity.

Sulfuryl chloride reaction with acid   

SO₂Cl₂ is itself an acid so it will not react with acid of the same strength.

Sulfuryl chloride reaction with base

SO₂Cl₂ reacts with NaOH to form Na₂SO_4, NaCl and H₂O.

SO₂Cl₂ + 4NaOH –> Na₂SO₄ + 2NaCl + 2H₂O

Sulfuryl chloride reaction with oxide

SO₂Cl₂ reacts with calcium oxide to give calcium sulphate and calcium chloride.

SO₂Cl₂ + 2CaO –> CaSO₄ + CaCl₂

Sulfuryl chloride reaction with metal

SO₂Cl₂ reacts with Pt and converts Pt into chlorides. In some cases, the chloride formed depends on the reaction temperature.

SO₂Cl₂ + Pt –> PtCl₂ + SO₂

Conclusion

We conclude that SO₂Cl₂ is an inorganic compound, diamagnetic in nature, strong acid with a pungent smell that corrodes the metal.

Sonali Jham

Hi…I am Sonali Jham. I have done my Post-Graduation in Chemistry and also completed B. Ed. I am a Teacher and a Dietician by profession.
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