204883 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 204883 > 3 > ChemIDplus > 026499650 > 26499-65-0 AI3-01697 Crystacal Densite Densite (gypsum) FGR Gypsum hemihydrate Hemihydrate gypsum Plaster of Paris (Ca(SO4).1/2H2O) (9CI) Plaster of Paris, respirable fraction Plaster of Paris, total dust Plaster of paris Sulfuric acid, calcium salt (Plaster of Paris) TA 20 > 26499-65-0 > 026499650 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=026499650 $$$$