18-Crown-6
Also known as: 1,4,7,10,13,16-Hexaoxacyclooctadecane, Hexaoxacyclooctadecane, 18-Crown 6-Ether, 18-Crown ether-6, Crown ether/18-Crown-6, 18-CROWN-6, UNII-63J177NC5B, MFCD00005113, EINECS 241-473-5, [18]crown-6
18-Crown-6 (CAS 17455-13-9) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H24O6 and a molecular weight of 264.315 g/mol. Key properties include a melting point of 42-45 °C(lit.), a boiling point of 395.8±37.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 163.8±26.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17455-13-9
- Jingsj CID
- J-29687-2
- Molecular Formula
- C12H24O6
- Molecular Weight
- 264.315 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42-45 °C(lit.) |
|---|---|
| Boiling Point | 395.8±37.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 163.8±26.4 °C |
| Exact Mass | 264.157288 |
| PSA | 55.38000 |
| LogP | -0.81 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.404 |
| Additional Property | SOLUBLE |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 18-Crown-6?
The CAS number of 18-Crown-6 is 17455-13-9.
What are the molecular formula and molecular weight of 18-Crown-6?
18-Crown-6 has molecular formula C12H24O6 and molecular weight 264.315 g/mol.
Is 18-Crown-6 hazardous?
18-Crown-6 has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 18-Crown-6?
For 18-Crown-6, Upstream Products: hexaethylene glycol, Triethylene glycol bis(p-toluenesulfonate), Triethylene glycol; Downstream Products: ETHYL 3-ETHOXYBUT-2-ENOATE, ethyl 2,2-diethylacetoacetate, Ethyl 2-ethyl-3-oxobutanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "18-Crown-6 (CAS 17455-13-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29687-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.