Cat Number: PIE-0177

Calcium Sulfate Dihydrate

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CAS Number

10101-41-4

Synonyms

Calcium sulfate dihydrate
10101-41-4
Phosphogypsum
Satinite
Light spar

Description

A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.

Molecular Weight

172.17

Molecular Formula

CaSO4 · 2H2O

EINECS

600-148-1

SMILES

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

Appearance

White to slightly yellowish-white odorless solid

Density, g/cm3

2.32