7-Hydroxyquinoline-(1H)-2-one

CAS number: 70500-72-0

Molecular formula: C9H7NO2

molecular weight: 161.157

Chemical structure:

ItemsSpecificationsResults
AppearanceOff-white to light brown powderOff-white powder
SolubilitySparingly soluble in DimethylformamideComply
Identification(IR)Conform to the structureComply
Loss on dryingNot more than 0.5%0.02%
Related substances(HPLC)T083-01:NMT0.1%0.05%
Other individual impurity: NMT0.15%0.02%
Total impurities: NMT1.0%0.07%
Water (KF)Not more than 0.5%0.18%
Residue on ignitionNot more than 0.5%0.14%
Assay98.0%-102.0%101.0%