2-Ethylaziridine

Also known as: 1,2-Butylenimine, 2-Ethylethyleneimine, 2-Ethylethylenimine, Butyleneimine, Ethylethylenimine, NSC 19766

2-Ethylaziridine (CAS 2549-67-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H9N and a molecular weight of 71.12100 g/mol. Key properties include a boiling point of 70.1ºC at 760mmHg and a density of 0.818g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2549-67-9
Jingsj CID: J-1083403-4
Molecular Formula: C₄H₉N
Molecular Weight: 71.12100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	70.1ºC at 760mmHg
Density	0.818g/cm3
Exact Mass	71.07350
PSA	21.94000
LogP	0.69700
Vapor Pressure	131mmHg at 25°C
Refractive Index	1.418

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 2-Ethylaziridine?

The CAS number of 2-Ethylaziridine is 2549-67-9.

What are the molecular formula and molecular weight of 2-Ethylaziridine?

2-Ethylaziridine has molecular formula C4H9N and molecular weight 71.12100 g/mol.

What are the upstream and downstream products of 2-Ethylaziridine?

For 2-Ethylaziridine, Downstream Products: 2-Amino-1-methoxybutane, 1,4-butanediamine, hexahydro-1-methyl-3-(3-oxo-1-cyclohexen-1-yl)-2H-azepin-2-one.

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. "2-Ethylaziridine (CAS 2549-67-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083403-4 (accessed 2026-11-09).

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