4-Chloro-3-nitropyridine
Also known as: 3-nitro-4-chloropyridine, 4-Chloro-3-nitro-pyridine, Pyridine, 4-chloro-3-nitro-
4-Chloro-3-nitropyridine (CAS 13091-23-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN2O2 and a molecular weight of 158.542 g/mol. Key properties include a melting point of 32°C, a boiling point of 246.5±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 102.9±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13091-23-1
- Jingsj CID
- J-31018-9
- Molecular Formula
- C5H3ClN2O2
- Molecular Weight
- 158.542 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32°C |
|---|---|
| Boiling Point | 246.5±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 102.9±21.8 °C |
| Exact Mass | 157.988312 |
| PSA | 58.71000 |
| LogP | 0.80 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.587 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H318 — Causes serious eye damage
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-Chloro-3-nitropyridine?
The CAS number of 4-Chloro-3-nitropyridine is 13091-23-1.
What are the molecular formula and molecular weight of 4-Chloro-3-nitropyridine?
4-Chloro-3-nitropyridine has molecular formula C5H3ClN2O2 and molecular weight 158.542 g/mol.
Is 4-Chloro-3-nitropyridine hazardous?
4-Chloro-3-nitropyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-3-nitropyridine (CAS 13091-23-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31018-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.