Calcium sulphate hemihydrate is known as____________

Calcium sulphate hemihydrate (CaSO4.1/2 H2O) is known as Plaster of Paris. The hydrated state of calcium sulphate on heating yields plaster of pairs.

What is plaster of Paris?

Plaster of Paris is a white powdery chemical compound which is hydrated calcium sulfate that is usually obtained from calcining gypsum.

Plaster of Paris is manufactured by heating gypsum at 423K or 150o C/300o F.

CaSO4·2H2O + heat → CaSO4·0.5H2O + 1.5H2O (discharged as steam)

Uses of plaster of Paris

Plaster of pairs has a wide range of applications some of which are listed below

  • Plaster of Paris is used to make fine artwork for decoration and beautification of monuments and building.
  • In the medical field, Plaster of Paris is still commonly utilized a mould and casts.
  • Plaster is employed by numerous morticians and executives of funeral houses to remake the damaged tissue, rejoin cut off parts of dead bodies, and to fill wounds that occurred.


Was this answer helpful?


0 (0)


Choose An Option That Best Describes Your Problem

Thank you. Your Feedback will Help us Serve you better.

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *




Free Class