2-Chloro-5-methyl-3-nitropyridine
Also known as: 2-Chloro-3-nitro-5-picoline, 2-Chloro-3-nitro-5-methylpyridine, 6-Chloro-5-nitro-3-picoline
2-Chloro-5-methyl-3-nitropyridine (CAS 23056-40-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClN2O2 and a molecular weight of 172.569 g/mol. Key properties include a melting point of 46-50 °C, a boiling point of 290.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 129.7±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic 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.
- 23056-40-8
- Jingsj CID
- J-1991808-2
- Molecular Formula
- C6H5ClN2O2
- Molecular Weight
- 172.569 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 46-50 °C |
|---|---|
| Boiling Point | 290.8±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 129.7±25.9 °C |
| Exact Mass | 172.003952 |
| PSA | 58.71000 |
| LogP | 1.49 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.576 |
GHS Safety & Compliance
- H301 — Toxic 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 2-Chloro-5-methyl-3-nitropyridine?
The CAS number of 2-Chloro-5-methyl-3-nitropyridine is 23056-40-8.
What are the molecular formula and molecular weight of 2-Chloro-5-methyl-3-nitropyridine?
2-Chloro-5-methyl-3-nitropyridine has molecular formula C6H5ClN2O2 and molecular weight 172.569 g/mol.
Is 2-Chloro-5-methyl-3-nitropyridine hazardous?
2-Chloro-5-methyl-3-nitropyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Chloro-5-methyl-3-nitropyridine?
For 2-Chloro-5-methyl-3-nitropyridine, Upstream Products: 2-Hydroxy-5-methyl-3-nitropyridine, 5-Methyl-2(1H)-pyridinone, 2-Amino-5-methylpyridine; Downstream Products: 2-Methylamino-5-methyl-3-nitropyridine, 2-Methoxy-5-methyl-3-nitropyridine, 2-chloro-5-methylpyridin-3-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloro-5-methyl-3-nitropyridine (CAS 23056-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991808-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.