1,8-Diazacyclotetradecane-2,7-dione

Also known as: NSC 138477, NSC-138477, 1,8-diaza-cyclotetradecane-2,7-dione, Cyclo-hexamethylen-adipinsaeure-diamid, 1,8-diazabyphenylene, 1,8-Diazabiphenylen

1,8-Diazacyclotetradecane-2,7-dione (CAS 4266-66-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H22N2O2 and a molecular weight of 226.31500 g/mol. Key properties include a boiling point of 497.8ºC at 760 mmHg, a density of 0.969g/cm3 and a flash point of 204.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4266-66-4
Jingsj CID: J-1017125-2
Molecular Formula: C₁₂H₂₂N₂O₂
Molecular Weight: 226.31500 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	497.8ºC at 760 mmHg
Density	0.969g/cm3
Flash Point	204.1ºC
Exact Mass	226.16800
PSA	58.20000
LogP	2.01080
Refractive Index	1.446

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 1,8-Diazacyclotetradecane-2,7-dione?

The CAS number of 1,8-Diazacyclotetradecane-2,7-dione is 4266-66-4.

What are the molecular formula and molecular weight of 1,8-Diazacyclotetradecane-2,7-dione?

1,8-Diazacyclotetradecane-2,7-dione has molecular formula C12H22N2O2 and molecular weight 226.31500 g/mol.

What are the upstream and downstream products of 1,8-Diazacyclotetradecane-2,7-dione?

For 1,8-Diazacyclotetradecane-2,7-dione, Upstream Products: 1,6-Hexanediamine, Adipoyl chloride, Monomethyl adipate; Downstream Products: Adipic acid.

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. "1,8-Diazacyclotetradecane-2,7-dione (CAS 4266-66-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1017125-2 (accessed 2026-11-09).

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