5-Hydroxynicotinic acid
5-羟基烟酸
Also known as: 5-Hydroxy-3-pyridinecarboxylic acid, 5-Hydroxypyridine-3-carboxylic acid, 3-Carboxy-5-hydroxypyridine, 5-Hydroxy-nicotinic acid, 5-Hydroxy-nicotinsaeure
5-Hydroxynicotinic acid (CAS 27828-71-3) 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 139.109 g/mol. It is also known as 5-Hydroxy-3-pyridinecarboxylic acid, 5-Hydroxypyridine-3-carboxylic acid and 3-Carboxy-5-hydroxypyridine. Key properties include a melting point of 299 °C, a boiling point of 519.3±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 267.9±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27828-71-3
- Jingsj CID
- J-26069-3
- Molecular Formula
- C6H5NO3
- Chinese Name
- 5-羟基烟酸
- Molecular Weight
- 139.109 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 299 °C |
|---|---|
| Boiling Point | 519.3±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 267.9±25.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 5-Hydroxynicotinic acid?
The CAS number of 5-Hydroxynicotinic acid is 27828-71-3.
What are the molecular formula and molecular weight of 5-Hydroxynicotinic acid?
5-Hydroxynicotinic acid has molecular formula C6H5NO3 and molecular weight 139.109 g/mol.
Is 5-Hydroxynicotinic acid hazardous?
5-Hydroxynicotinic acid has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Hydroxynicotinic acid (CAS 27828-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26069-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.