chempirical

Calcium sulfate hemihydrate

Ca2H2O9S2CAS 10034-76-1290.28 g/mol

Open in Covalent MOL file
O−SO−OOO−SO−OOH2OCa2+Ca2+

Properties

Molecular formula
Ca2H2O9S2
Molar mass
290.28 g/mol
Exact mass
289.8392 Da
Density
2.69 g/mL
logP
-1.86Crippen estimate
Polar surface area
106.1 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
0

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
10034-76-1
SMILES
[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.O.[Ca+2].[Ca+2]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

11 names
  • Sulfuric acid, calcium salt, hydrate (2:2:1)
  • Sulfuric acid, calcium salt (1:1), hemihydrate
  • Calcium sulfate (CaSO4) hemihydrate
  • Calcium sulfate (CaSO4) hydrate (2:1)
  • Calcium sulfate hemihydrate (CaSO4.0.5H2O)
  • P 23 (Sulfate)
  • P 23
  • Keramod A 20
  • Prestia 23
  • BonePlast
  • ZP 151

Work with Calcium sulfate hemihydrate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Calcium sulfate dihydrate10101-41-4100 % similar Calcium sulfate7778-18-980 % similar Ytterbium sulfate (Yb2(SO4)3) octahydrate10034-98-771 % similar Cobalt sulfate (CoSO4) heptahydrate10026-24-167 % similar Manganese sulfate monohydrate10034-96-567 % similar Magnesium sulfate heptahydrate10034-99-867 % similar Nickel sulfate hexahydrate10101-97-067 % similar Nickel sulfate heptahydrate10101-98-167 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook