Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 4-Hydroxyquinoline?
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4,4'-diaminobenzophenone
research compound
7-chloroquinolin-4-ol
Pharmaceutical intermediate or research reagent
Sourcing 4-Hydroxyquinoline?
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4-Hydroxyquinoline is a research compound that exists as a tautomer of quinolin-4-ol, commonly referred to as 4-quinolone. It has been reported in natural sources such as Glycosmis parviflora and Glycosmis citrifolia.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for 4-Hydroxyquinoline (CAS 611-36-9) is 2933.49.
2933.49
2933 49 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1H-quinolin-4-one
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