8-Hydroxyquinoline sulfate monohydrate (CAS NO.207386-91-2) is also named as 8-Quinolinol, sulfate, hydrate (2:1:1) (salt) ; Quinolin-8-ol sulfate hydrate (2:1:1) ; 8-Hydroxyquinoline hemisulfate salt hemihydrate ; 8-Quinolinol hemisulfate ; 8-Quinolinol hemisulfate hemihydrate ; 8-Quinolinol sulfate (2:1) monohydrate . 8-Hydroxyquinoline sulfate monohydrate (CAS NO.207386-91-2) is yellow crystalline powder or lumps.