1,4,10-Trioxa-7,13-diazacyclopentadecane

Also known as: 1,7-Diaza-15-crown-5, 4,10-Diaza-15-crown 5-ether, Kryptofix 21, KRYPTOFIX 21, 1,4,10-Trioxa-7,13-diazacyclopentadecane, Diaza crown ether 21

1,4,10-Trioxa-7,13-diazacyclopentadecane (CAS 31249-95-3) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C10H22N2O3 and a molecular weight of 218.293 g/mol. Key properties include a melting point of 88-91 °C(lit.), a boiling point of 355.9±32.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 144.5±14.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31249-95-3
Jingsj CID: J-1168214-7
Molecular Formula: C₁₀H₂₂N₂O₃
Molecular Weight: 218.293 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	88-91 °C(lit.)
Boiling Point	355.9±32.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	144.5±14.6 °C
Exact Mass	218.163040
PSA	51.75000
LogP	-2.30
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.413

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 1,4,10-Trioxa-7,13-diazacyclopentadecane?

The CAS number of 1,4,10-Trioxa-7,13-diazacyclopentadecane is 31249-95-3.

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

1,4,10-Trioxa-7,13-diazacyclopentadecane has molecular formula C10H22N2O3 and molecular weight 218.293 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. "1,4,10-Trioxa-7,13-diazacyclopentadecane (CAS 31249-95-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168214-7 (accessed 2026-11-09).

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