3-Chloropicolinic acid
Also known as: 3-Chloropyridine-2-carboxylic acid, 3-Chloro-2-pyridinecarboxylic acid, 3-Chloro-2-picolinic acid, 2-Carboxy-3-chloropyridine, MFCD01646325, 3-Chloropicolinic acid, 2-Carboxy-3-chloropyridine
3-Chloropicolinic acid (CAS 57266-69-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClNO2 and a molecular weight of 157.555 g/mol. Key properties include a melting point of 131ºC (dec.), a boiling point of 297.6±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 133.8±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 57266-69-0
- Jingsj CID
- J-873866-7
- Molecular Formula
- C6H4ClNO2
- Molecular Weight
- 157.555 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 131ºC (dec.) |
|---|---|
| Boiling Point | 297.6±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 133.8±21.8 °C |
| Exact Mass | 156.993057 |
| PSA | 50.19000 |
| LogP | 0.29 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.590 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye 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 3-Chloropicolinic acid?
The CAS number of 3-Chloropicolinic acid is 57266-69-0.
What are the molecular formula and molecular weight of 3-Chloropicolinic acid?
3-Chloropicolinic acid has molecular formula C6H4ClNO2 and molecular weight 157.555 g/mol.
Is 3-Chloropicolinic acid hazardous?
3-Chloropicolinic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3-Chloropicolinic acid?
For 3-Chloropicolinic acid, Upstream Products: 3-Chloro-2-cyanopyridine, 3-Chloro-2-methylpyridine, 2-Picolinic acid; Downstream Products: (3-Chloropyridin-2-yl)methanol, 3-Chloropyridine, 3-Chloropyridine-2-carboxaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chloropicolinic acid (CAS 57266-69-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-873866-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.