2-Hydroxyisonicotinic acid
2-羟基异烟酸
Also known as: 1,2-Dihydro-2-oxopyridine-4-carboxylic acid, 2-Hydroxy-4-pyridinecarboxylic acid, 2-Hydroxypyridine-4-carboxylic acid, 4-Carboxy-2(1H)-pyridinone, 2-Oxo-1,2-dihydropyridine-4-carboxylic acid, 2-Hydroxy-isonicotinsaeure
2-Hydroxyisonicotinic acid (CAS 22282-72-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO3 and a molecular weight of 139.11 g/mol. It is also known as 1,2-Dihydro-2-oxopyridine-4-carboxylic acid, 2-Hydroxy-4-pyridinecarboxylic acid and 2-Hydroxypyridine-4-carboxylic acid. Key properties include a melting point of 300ºC, a boiling point of 508.7±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 261.5±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22282-72-0
- Jingsj CID
- J-1983567-9
- Molecular Formula
- C6H5NO3
- Chinese Name
- 2-羟基异烟酸
- Molecular Weight
- 139.11 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300ºC |
|---|---|
| Boiling Point | 508.7±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 261.5±25.9 °C |
Frequently Asked Questions
What is the CAS number of 2-Hydroxyisonicotinic acid?
The CAS number of 2-Hydroxyisonicotinic acid is 22282-72-0.
What are the molecular formula and molecular weight of 2-Hydroxyisonicotinic acid?
2-Hydroxyisonicotinic acid has molecular formula C6H5NO3 and molecular weight 139.11 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxyisonicotinic acid (CAS 22282-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983567-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.