1-Aza-18-crown-6

Also known as: 1,4,7,10,13-Pentaoxa-16-azacyclooctadecane, Mono-aza-18-crown-6, 4,7,10,13,16-Pentaoxa-1-azacyclooctadecane, 18-Azacrown-6, Aza-18-crown-6, 1-Aza-4,7,10,13,16-pentaoxacyclooctadecane

1-Aza-18-crown-6 (CAS 33941-15-0) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C12H25NO5 and a molecular weight of 263.331 g/mol. Key properties include a melting point of 46-49 °C(lit.), a boiling point of 404.0±40.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 167.0±16.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33941-15-0
Jingsj CID: J-1993154-2
Molecular Formula: C₁₂H₂₅NO₅
Molecular Weight: 263.331 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	46-49 °C(lit.)
Boiling Point	404.0±40.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	167.0±16.8 °C
Exact Mass	263.173279
PSA	58.18000
LogP	-1.62
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.408

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 1-Aza-18-crown-6?

The CAS number of 1-Aza-18-crown-6 is 33941-15-0.

What are the molecular formula and molecular weight of 1-Aza-18-crown-6?

1-Aza-18-crown-6 has molecular formula C12H25NO5 and molecular weight 263.331 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-Aza-18-crown-6 (CAS 33941-15-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993154-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.