2-Ethylpyridine 1-oxide

Also known as: 2-ethylpyridine 1-oxide, 2-ethylpyridine N-oxide, 2-ethyl-1-oxidopyridin-1-ium, 2-ethyl-pyridine 1-oxide, 2-pyridylethane N-oxide, Pyridine, 2-ethyl-, 1-oxide, NSC 74457

2-Ethylpyridine 1-oxide (CAS 4833-24-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO and a molecular weight of 123.15200 g/mol. Key properties include a boiling point of 283.1ºC at 760 mmHg, a density of 0.99g/cm3 and a flash point of 125ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4833-24-3
Jingsj CID: J-1506200-7
Molecular Formula: C₇H₉NO
Molecular Weight: 123.15200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	283.1ºC at 760 mmHg
Density	0.99g/cm3
Flash Point	125ºC
Exact Mass	123.06800
PSA	25.46000
LogP	1.67750
Refractive Index	1.508

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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-Ethylpyridine 1-oxide?

The CAS number of 2-Ethylpyridine 1-oxide is 4833-24-3.

What are the molecular formula and molecular weight of 2-Ethylpyridine 1-oxide?

2-Ethylpyridine 1-oxide has molecular formula C7H9NO and molecular weight 123.15200 g/mol.

What are the upstream and downstream products of 2-Ethylpyridine 1-oxide?

For 2-Ethylpyridine 1-oxide, Upstream Products: 2-Ethylpyridine; Downstream Products: Ethionamide, 2-Vinylpyridine, 4-Methoxy-2-vinylpyridine.

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-Ethylpyridine 1-oxide (CAS 4833-24-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506200-7 (accessed 2026-11-09).

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