4,6-Dihydroxynicotinic acid
Also known as: 4,6-Dihydroxypyridine-3-carboxylic acid, 4-Hydroxy-6-oxo-1,6-dihydropyridine-3-carboxylic acid, 2,4-Dihydroxy-5-pyridinecarboxylic acid, 3-Pyridinecarboxylic acid, 1,6-dihydro-4-hydroxy-6-oxo-, Nicotinic acid, 4,6-dihydroxy-, Nsc25748, NSC 26363
4,6-Dihydroxynicotinic acid (CAS 5466-62-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5NO4 and a molecular weight of 155.10800 g/mol. Key properties include a melting point of 309-311ºC, a boiling point of 374.6ºC at 760mmHg, a density of 1.708g/cm3 and a flash point of 180.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5466-62-6
- Jingsj CID
- J-1015837-9
- Molecular Formula
- C6H5NO4
- Molecular Weight
- 155.10800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 309-311ºC |
|---|---|
| Boiling Point | 374.6ºC at 760mmHg |
| Density | 1.708g/cm3 |
| Flash Point | 180.4ºC |
| Exact Mass | 155.02200 |
| PSA | 90.65000 |
| LogP | 0.19100 |
| Refractive Index | 1.677 |
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 4,6-Dihydroxynicotinic acid?
The CAS number of 4,6-Dihydroxynicotinic acid is 5466-62-6.
What are the molecular formula and molecular weight of 4,6-Dihydroxynicotinic acid?
4,6-Dihydroxynicotinic acid has molecular formula C6H5NO4 and molecular weight 155.10800 g/mol.
What are the upstream and downstream products of 4,6-Dihydroxynicotinic acid?
For 4,6-Dihydroxynicotinic acid, Upstream Products: Ethyl 4,6-dihydroxynicotinate; Downstream Products: 3-Nitropyridine-2,4-diamine, 2,4-Dihydroxy-3-nitropyridine, 4,6-Dichloronicotinamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,6-Dihydroxynicotinic acid (CAS 5466-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1015837-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.