Safety Reference
Danger
H319Causes serious eye irritation
H330Fatal if inhaled
Sourcing 12-Crown-4?
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Solvent for cellulose esters and resins
Sourcing 12-Crown-4?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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 12-Crown-4 (CAS 294-93-9) is 2932.99.
2932.99
2932 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
1,4,7,10-tetraoxacyclododecane
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