|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
white solid
|
|
gptkbp:biodegradable
|
not biodegradable
|
|
gptkbp:CASNumber
|
7778-18-9
|
|
gptkbp:chemicalFormula
|
CaSO4
|
|
gptkbp:component
|
plaster
drywall
|
|
gptkbp:containsElement
|
gptkb:sulfur
oxygen
calcium
|
|
gptkbp:crystalSystem
|
orthorhombic
|
|
gptkbp:density
|
2.96 g/cm³
|
|
gptkbp:EC_number
|
231-900-3
|
|
gptkbp:flammability
|
non-flammable
|
|
gptkbp:foodAdditiveFunction
|
anticaking agent
firming agent
flour treatment agent
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Calcium Sulfate (CaS)
|
|
gptkbp:hydratedForms
|
gptkb:anhydrite_(CaSO4)
gptkb:gypsum_(CaSO4·2H2O)
gptkb:hemihydrate_(CaSO4·0.5H2O)
|
|
gptkbp:IUPACName
|
gptkb:calcium_sulfate
|
|
gptkbp:meltingPoint
|
1460 °C
|
|
gptkbp:molecularWeight
|
136.14 g/mol
|
|
gptkbp:naturalOccurrence
|
gptkb:anhydrite
gypsum
|
|
gptkbp:number
|
gptkb:E516
|
|
gptkbp:pH
|
neutral
|
|
gptkbp:productionMethod
|
as a byproduct in flue-gas desulfurization
reaction of calcium carbonate with sulfuric acid
|
|
gptkbp:PubChem_CID
|
24497
|
|
gptkbp:refractiveIndex
|
1.52
|
|
gptkbp:riskFactor
|
may cause irritation
|
|
gptkbp:solubility
|
slightly soluble
|
|
gptkbp:stable
|
stable under normal conditions
|
|
gptkbp:storage
|
store in a dry place
|
|
gptkbp:toxicity
|
low
|
|
gptkbp:UNII
|
0OHT7855WQ
|
|
gptkbp:uses
|
gptkb:food
gptkb:plaster_of_Paris
gypsum
soil conditioner
|
|
gptkbp:bfsParent
|
gptkb:CAS
|
|
gptkbp:bfsLayer
|
4
|