3-Nitro-2-pyridinethiol

3-硝基-2-吡啶硫醇

Also known as: 2-Mercapto-3-nitropyridine, 3-Nitro-2(1H)-pyridinethione, 3-Nitro-1H-pyridine-2-thione, 2(1H)-Pyridinethione, 3-nitro-, 3-Nitropyridine-2(1H)-thione, 3-Nitropyridine-2-thiol

3-Nitro-2-pyridinethiol (CAS 38240-29-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O2S and a molecular weight of 156.163 g/mol. It is also known as 2-Mercapto-3-nitropyridine, 3-Nitro-2(1H)-pyridinethione and 3-Nitro-1H-pyridine-2-thione. Key properties include a melting point of 173-174ºC, a boiling point of 285.3±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 126.3±23.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38240-29-8
Jingsj CID
J-1014424-6
Molecular Formula
C5H4N2O2S
Chinese Name
3-硝基-2-吡啶硫醇
Molecular Weight
156.163 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point173-174ºC
Boiling Point285.3±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point126.3±23.2 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Nitro-2-pyridinethiol?

The CAS number of 3-Nitro-2-pyridinethiol is 38240-29-8.

What are the molecular formula and molecular weight of 3-Nitro-2-pyridinethiol?

3-Nitro-2-pyridinethiol has molecular formula C5H4N2O2S and molecular weight 156.163 g/mol.

Is 3-Nitro-2-pyridinethiol hazardous?

3-Nitro-2-pyridinethiol has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-Nitro-2-pyridinethiol (CAS 38240-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014424-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.