2,4-Dichloronicotinic acid
Also known as: 2,4-Dichloropyridine-3-carboxylic acid, 2,4-Dichloro-3-pyridinecarboxylic acid, 3-Pyridinecarboxylic acid, 2,4-dichloro-, 3-Carboxy-2,4-dichloropyridine
2,4-Dichloronicotinic acid (CAS 262423-77-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2NO2 and a molecular weight of 191.999 g/mol. Key properties include a melting point of 166-167ºC, a boiling point of 325.2±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 150.5±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 262423-77-8
- Jingsj CID
- J-1499753-6
- Molecular Formula
- C6H3Cl2NO2
- Molecular Weight
- 191.999 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 166-167ºC |
|---|---|
| Boiling Point | 325.2±37.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 150.5±26.5 °C |
| Exact Mass | 190.954086 |
| PSA | 50.19000 |
| LogP | 0.38 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.606 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- 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 2,4-Dichloronicotinic acid?
The CAS number of 2,4-Dichloronicotinic acid is 262423-77-8.
What are the molecular formula and molecular weight of 2,4-Dichloronicotinic acid?
2,4-Dichloronicotinic acid has molecular formula C6H3Cl2NO2 and molecular weight 191.999 g/mol.
Is 2,4-Dichloronicotinic acid hazardous?
2,4-Dichloronicotinic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,4-Dichloronicotinic acid?
For 2,4-Dichloronicotinic acid, Upstream Products: 2,4-Dichloropyridine, Carbon dioxide, 2-Chloropyridine; Downstream Products: methyl 2,4-dichloropyridine-3-carboxylate, 2-Chloro-6-hydroxynicotinic 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. "2,4-Dichloronicotinic acid (CAS 262423-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499753-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.