C12H24O6
264.31 g/mol
Research ReagentWarning
18-Crown-6
CAS17455-13-9EC241-473-5
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
18-Crown-6 is a cyclic polyether compound widely used as a complexing agent for metal ions, particularly alkali and alkaline-earth metals. Its ability to form stable complexes with cations makes it valuable in organic synthesis and catalysis.
Complexing agent for ammonium and metal ionsCatalyst in organic chemical manufacturingPhase-transfer catalyst in laboratory synthesis
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.
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Related Compounds
StrongStructure SimilarSimilarity 1.00
12-crown-4
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StrongStructure SimilarSimilarity 1.00
15-crown-5
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StrongStructure SimilarSimilarity 1.00
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Solvent for cellulose esters and resins
SimilarStructure SimilarSimilarity 0.83
Ethylene oxide
CAS75-21-8
Chemical intermediate for ethylene glycol
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Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 18-Crown-6 (CAS 17455-13-9) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
1,4,7,10,13,16-hexaoxacyclooctadecane
InChIKey
XEZNGIUYQVAUSS-UHFFFAOYSA-N
SMILES
C1COCCOCCOCCOCCOCCO1
Synonyms (19)
- 18-Crown-6
- 18-Crown-6 Ether, 97+ Percent
- 18-Crown-6, pkg of 25 g
- 18-Crownether-6
- 18-crown-6-ether
- Crown ether 18-crown-6
- Ethylene oxide cyclic hexamer
- Hexaoxacyclooctadecane
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