Calcium Sulfate

CaSO₄

IUPAC: Calcium sulfate

CAS: 7778-18-9

Ikhtisar

Calcium sulfate occurs naturally as gypsum (CaSO₄·2H₂O) and anhydrite. Plaster of Paris is its hemihydrate form.

Komposisi

Unsur Simbol Atom Massa Atom
Oxygen O 4 15,9990
Sulfur S 1 32,0600
Calcium Ca 1 40,0780

Komposisi Elemental

O
47,0%
S
23,5%
Ca
29,4%

Kegunaan

  • Drywall/plasterboard
  • Plaster of Paris
  • Tofu coagulant
  • Cement additive

Fakta Menarik

  • The Great Pyramid of Giza used gypsum mortar — still holding after 4,500 years

Structure

SMILES

[O-]S(=O)(=O)[O-].[Ca+2]

Sifat

Jenis
salt
Keadaan
solid
Massa Molar
136,14 g/mol
Kerapatan
2,9600 g/cm³
Titik Lebur
1460,0 °C
Kelarutan
2.4 g/L at 20°C

Molecular Descriptors

Exact Mass
135,9143
TPSA
88,6 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
6
Complexity
62,0

Frequently Asked Questions

What is Calcium Sulfate?
Calcium Sulfate (CaSO₄) is a salt compound with the IUPAC name Calcium sulfate.
What is the molecular weight of Calcium Sulfate?
Calcium Sulfate has a molar mass of 136.14 g/mol.
What state is Calcium Sulfate at room temperature?
Calcium Sulfate is a solid at room temperature.
Is Calcium Sulfate organic or inorganic?
Calcium Sulfate is classified as an inorganic compound.
What elements make up Calcium Sulfate?
Calcium Sulfate (CaSO₄) is composed of Oxygen (O), Sulfur (S), Calcium (Ca).