Skip to main content

3-Hydroxypicolinic acid

Also known as: 2-Carboxy-3-hydroxypyridine, 2-Pyridinecarboxylic acid, 3-hydroxy-, 3-HPA, 3-Hydroxy-2-pyridinecarboxylic acid, 3-Hydroxy-2-carboxypyridine, 3-Hydroxypyridine-2-carboxylic acid, 3-hydroxy-picolinic acid, 3-hydroxy-pyridine-2-carboxylic acid, hydroxypicolinic acid, RARECHEM AL BO 0972, TIMTEC-BB SBB006727, MFCD00006294

3-Hydroxypicolinic acid (CAS 874-24-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NO3 and a molecular weight of 139.109 g/mol. Key properties include a melting point of 213-218 °C(lit.), a boiling point of 451.1±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 226.6±24.6 °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.
874-24-8
Jingsj CID
J-14656-5
Molecular Formula
C6H5NO3
Molecular Weight
139.109 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point213-218 °C(lit.)
Boiling Point451.1±30.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point226.6±24.6 °C
Exact Mass139.026947
PSA70.42000
LogP0.72
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.626

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Tang K, et al. Picolinic acid as a matrix for laser mass spectrometry of nucleic acids and proteins. Rapid Commun Mass Spectrom. 1994 Sep;8(9):673-7.

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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-Hydroxypicolinic acid?

The CAS number of 3-Hydroxypicolinic acid is 874-24-8.

What are the molecular formula and molecular weight of 3-Hydroxypicolinic acid?

3-Hydroxypicolinic acid has molecular formula C6H5NO3 and molecular weight 139.109 g/mol.

Is 3-Hydroxypicolinic acid hazardous?

3-Hydroxypicolinic 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 3-Hydroxypicolinic acid?

For 3-Hydroxypicolinic acid, Upstream Products: Ethyl 3-aminopyridine-2-carboxylate, 3-Aminopicolinic acid, 2-Pyridinecarboxaldehyde; Downstream Products: ethyl 3-(2-ethoxy-2-oxoethoxy)picolinate, Ethyl 3-hydroxyfuro[3,2-b]pyridine-2-carboxylate, 3-Methylfuro[3,2-b]pyridine-2-carboxylic 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. "3-Hydroxypicolinic acid (CAS 874-24-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14656-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.