Skip to main content

3-chloro-4-nitropyridine 1-oxide

Also known as: 3-Chloro-4-nitropyridine N-oxide, 3-chloro-1-hydroxy-4-nitro-pyridine, 3-chloro-4-nitro-1-oxidopyridin-1-ium, 3-chloro-4-nitro-1$l^{5}-pyridin-1-one, 3-chloro-4-nitropyridin-1-ium-1-olate, 3-chloro-4-nitropyridine1-oxide, 4-Nitro-3-chloropyridine-N-oxide, Pyridine, 3-chloro-4-nitro-, 1-oxide

3-chloro-4-nitropyridine 1-oxide (CAS 76439-45-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN2O3 and a molecular weight of 174.542 g/mol. Key properties include a boiling point of 425.5±25.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 211.1±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76439-45-7
Jingsj CID
J-1069944-2
Molecular Formula
C5H3ClN2O3
Molecular Weight
174.542 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point425.5±25.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point211.1±23.2 °C
Exact Mass173.983215
PSA71.28000
LogP-0.16
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.629

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 3-chloro-4-nitropyridine 1-oxide?

The CAS number of 3-chloro-4-nitropyridine 1-oxide is 76439-45-7.

What are the molecular formula and molecular weight of 3-chloro-4-nitropyridine 1-oxide?

3-chloro-4-nitropyridine 1-oxide has molecular formula C5H3ClN2O3 and molecular weight 174.542 g/mol.

What are the upstream and downstream products of 3-chloro-4-nitropyridine 1-oxide?

For 3-chloro-4-nitropyridine 1-oxide, Upstream Products: 3-Chloropyridine 1-oxide, 3-Chloropyridine, Ammonium bicarbonate; Downstream Products: 4-Amino-3-chloropyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-chloro-4-nitropyridine 1-oxide (CAS 76439-45-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1069944-2 (accessed 2026-11-09).

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