CAS106-51-4
FormulaC6H4O2
Synonympara-quinone, para-benzoquinone, cyclohexa-2,5-diene-1,4-dione, 2,5-Cyclohexadiene-1,4-dione
Density1.307
Slightly Solublein hot water
Moisture0.5% Max
Residue on Ignition0.05% Max
AppearanceYellow powder or crystalline solid
Assay99.0% Min
Insolubles0.5% Max
Melting Range112 - 116 C
Odorirritant odor
Insolubilityin aliphatic hydrocarbons
Melting Point115.7 c
Refractive Index1.453
Molecular weight108.10
Solubilityoxygenated solvs., alcohol, ether, alkalis
Boiling Pointsublimes