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1,4,7,10,13,16-Hexaazacyclooctadecane

Also known as: Hexacyclen, Hexaaza-18-crown-6, [18]aneN6, 1,4,7,10,13,16-Hexaazacyclooctadecane, HEXACYCLEN, HEXAAZA-18-CROWN-6

1,4,7,10,13,16-Hexaazacyclooctadecane (CAS 296-35-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H30N6 and a molecular weight of 258.407 g/mol. Key properties include a melting point of 147-152ºC, a boiling point of 449.8±40.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 243.9±22.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
296-35-5
Jingsj CID
J-1989973-6
Molecular Formula
C12H30N6
Molecular Weight
258.407 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point147-152ºC
Boiling Point449.8±40.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point243.9±22.4 °C
Exact Mass258.253204
PSA72.18000
LogP-3.51
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.424

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen 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 1,4,7,10,13,16-Hexaazacyclooctadecane?

The CAS number of 1,4,7,10,13,16-Hexaazacyclooctadecane is 296-35-5.

What are the molecular formula and molecular weight of 1,4,7,10,13,16-Hexaazacyclooctadecane?

1,4,7,10,13,16-Hexaazacyclooctadecane has molecular formula C12H30N6 and molecular weight 258.407 g/mol.

What are the upstream and downstream products of 1,4,7,10,13,16-Hexaazacyclooctadecane?

For 1,4,7,10,13,16-Hexaazacyclooctadecane, Upstream Products: Hexacyclen trisulfate, N,N'-Bis(2-hydroxyethyl)ethylenediamine; Downstream Products: Hexacyclen trisulfate.

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

Last updated:

How to cite: Jingsj. "1,4,7,10,13,16-Hexaazacyclooctadecane (CAS 296-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1989973-6 (accessed 2026-11-07).

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