Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Pyridine-N-oxide?
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Sourcing Pyridine-N-oxide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Pyridine-N-oxide is a chemical compound derived from pyridine by oxidation, featuring a polar N→O bond. It is highly hygroscopic and has been studied in crystallization behavior from aqueous solutions.
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 Pyridine-N-oxide (CAS 694-59-7) 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.
1-oxidopyridin-1-ium
ILVXOBCQQYKLDS-UHFFFAOYSA-N
C1=CC=[N+](C=C1)[O-]