4-Ethoxypyridine N-oxide

Also known as: Pyridine, 4-ethoxy-, 1-oxide, 4-Ethoxypyridine 1-oxide, 4-ethoxy-1-oxidopyridin-1-ium, 4-Aethoxy-pyridin-1-oxid, 4-Ethoxy-pyridine1-oxide, NSC 163998, NSC 74458, Posaconazole Impurity 200

4-Ethoxypyridine N-oxide (CAS 14474-56-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.15200 g/mol. Key properties include a boiling point of 313.3ºC at 760mmHg, a density of 1.06g/cm3 and a flash point of 143.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14474-56-7
Jingsj CID: J-1424166-8
Molecular Formula: C₇H₉NO₂
Molecular Weight: 139.15200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	313.3ºC at 760mmHg
Density	1.06g/cm3
Flash Point	143.3ºC
Exact Mass	139.06300
PSA	34.69000
LogP	1.51380
Vapor Pressure	0.000924mmHg at 25°C
Refractive Index	1.499

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 4-Ethoxypyridine N-oxide?

The CAS number of 4-Ethoxypyridine N-oxide is 14474-56-7.

What are the molecular formula and molecular weight of 4-Ethoxypyridine N-oxide?

4-Ethoxypyridine N-oxide has molecular formula C7H9NO2 and molecular weight 139.15200 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. "4-Ethoxypyridine N-oxide (CAS 14474-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1424166-8 (accessed 2026-11-09).

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