preproom.orgThe online science prep room
You are here: Info Library > Chemical Database > P > Plaster of Paris
Info Library

Chemical Database > Plaster of Paris

Name Plaster of Paris
AKA Calcium sulfate hemihydrate, gympsum hemihydrate
Formula CaSO4 0.5 H2O
Properties Form: white or very light grey powder
Stability: Stable, but hygroscopic
Specific gravity: 2.9
CLEAPSSCLEAPSS Hazcard ® 19B