3-Nitro-2-pyridinethiol
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. 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. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 38240-29-8
- Jingsj CID
- J-1014424-8
- Molecular Formula
- C5H4N2O2S
- Molecular Weight
- 156.163 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 173-174ºC |
|---|---|
| Boiling Point | 285.3±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 126.3±23.2 °C |
| Exact Mass | 155.999344 |
| PSA | 97.51000 |
| LogP | 1.62 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.650 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
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 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 and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3-Nitro-2-pyridinethiol?
For 3-Nitro-2-pyridinethiol, Upstream Products: 2-Chloro-3-nitropyridine, Boc-Cys(NPys)-OH; Downstream Products: 3-Aminopyridine-2(1H)-thione.
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-Nitro-2-pyridinethiol (CAS 38240-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1014424-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.