2,3-Dichloropyridine-4-carboxylic acid
2,3-二氯吡啶-4-羧酸
Also known as: 2,3-Dichloroisonicotinic acid, 2,3-Dichloro-4-pyridinecarboxylic acid, 4-Carboxy-2,3-dichloropyridine, 4-Pyridinecarboxylic acid, 2,3-dichloro-
2,3-Dichloropyridine-4-carboxylic acid (CAS 184416-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2NO2 and a molecular weight of 191.999 g/mol. It is also known as 2,3-Dichloroisonicotinic acid, 2,3-Dichloro-4-pyridinecarboxylic acid and 4-Carboxy-2,3-dichloropyridine. Key properties include a melting point of 187ºC, a boiling point of 413.6±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 203.9±27.3 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 184416-84-0
- Jingsj CID
- J-1374116-3
- Molecular Formula
- C6H3Cl2NO2
- Chinese Name
- 2,3-二氯吡啶-4-羧酸
- Molecular Weight
- 191.999 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 187ºC |
|---|---|
| Boiling Point | 413.6±40.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 203.9±27.3 °C |
| Exact Mass | 190.954086 |
| PSA | 50.19000 |
| LogP | 1.89 |
| Appearance | Solid |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.606 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 2,3-Dichloropyridine-4-carboxylic acid?
The CAS number of 2,3-Dichloropyridine-4-carboxylic acid is 184416-84-0.
What are the molecular formula and molecular weight of 2,3-Dichloropyridine-4-carboxylic acid?
2,3-Dichloropyridine-4-carboxylic acid has molecular formula C6H3Cl2NO2 and molecular weight 191.999 g/mol.
Is 2,3-Dichloropyridine-4-carboxylic acid hazardous?
2,3-Dichloropyridine-4-carboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2,3-Dichloropyridine-4-carboxylic acid?
For 2,3-Dichloropyridine-4-carboxylic acid, Upstream Products: 2,3-Dichloropyridine, Carbon dioxide; Downstream Products: methyl 2,3-dichloroisonicotinate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dichloropyridine-4-carboxylic acid (CAS 184416-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374116-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.