Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 4-Picoline N-oxide?
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Sourcing 4-Picoline N-oxide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Picoline N-oxide is a colorless solid and an isomer of picoline-N-oxide, related in properties to pyridine-N-oxide. It is primarily used as a chemical intermediate and research compound.
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-Picoline N-oxide (CAS 1003-67-4) is 2933.39.
2933.39
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-methyl-1-oxidopyridin-1-ium
IWYYIZOHWPCALJ-UHFFFAOYSA-N
CC1=CC=[N+](C=C1)[O-]