|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
dark green powder
|
|
gptkbp:boilingPoint
|
4000 °C (sublimes)
|
|
gptkbp:CASNumber
|
1308-38-9
|
|
gptkbp:chemicalFormula
|
Cr2O3
|
|
gptkbp:color
|
green
|
|
gptkbp:component
|
chrome green pigment
|
|
gptkbp:cookingMethod
|
reduction of sodium dichromate with sulfur
thermal decomposition of ammonium dichromate
|
|
gptkbp:crystalSystem
|
hexagonal
|
|
gptkbp:density
|
5.22 g/cm³
|
|
gptkbp:EC_number
|
215-160-9
|
|
gptkbp:GHSClassification
|
not classified as hazardous
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
chromium(III) oxide
|
|
gptkbp:IUPACName
|
gptkb:chromium(III)_oxide
|
|
gptkbp:magnetType
|
antiferromagnetic
|
|
gptkbp:meltingPoint
|
2435 °C
|
|
gptkbp:molecularWeight
|
151.9904 g/mol
|
|
gptkbp:otherName
|
chromic oxide
|
|
gptkbp:oxidationStateOfChromium
|
+3
|
|
gptkbp:PubChem_CID
|
517277
|
|
gptkbp:riskFactor
|
may cause respiratory irritation
|
|
gptkbp:solubility
|
insoluble
soluble in acids
|
|
gptkbp:UNII
|
W9K73V7R71
|
|
gptkbp:uses
|
gptkb:color
cathedral
refractory material
abrasive
polishing compound
|
|
gptkbp:bfsParent
|
gptkb:IUPAC_nomenclature
|
|
gptkbp:bfsLayer
|
6
|