2-Chloronicotinic acid
Also known as: 2-Chloro-3-pyridinecarboxylic acid, 2-Chloropyridine-3-carboxylic acid, 2CLNA, 2-Chloronicotinic acid, 2-Chloro-3-picolinate
2-Chloronicotinic acid (CAS 2942-59-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4ClNO2 and a molecular weight of 157.55 g/mol. Key properties include a melting point of 176-178 °C (dec.)(lit.), a boiling point of 316.8±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 145.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2942-59-8
- Jingsj CID
- J-2785-0
- Molecular Formula
- C6H4ClNO2
- Molecular Weight
- 157.55 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 176-178 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 316.8±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 145.4±22.3 °C |
| Exact Mass | 156.993057 |
| PSA | 50.19000 |
| LogP | 0.37 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.590 |
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-Chloronicotinic acid?
The CAS number of 2-Chloronicotinic acid is 2942-59-8.
What are the molecular formula and molecular weight of 2-Chloronicotinic acid?
2-Chloronicotinic acid has molecular formula C6H4ClNO2 and molecular weight 157.55 g/mol.
What are the upstream and downstream products of 2-Chloronicotinic acid?
For 2-Chloronicotinic acid, Upstream Products: 2-Chloronicotinonitrile, 2-Hydroxynicotinic acid, Nicotinic acid; Downstream Products: Methyl 2-(piperazin-1-yl)nicotinate, 5H-PYRIDO[3',2':5,6]PYRIMIDO[2,1-B][1,3]THIAZOLE-5-THIONE, 2-phenoxynicotinic acid.
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-Chloronicotinic acid (CAS 2942-59-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2785-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.