6-Hydroxy-3-pyridazinecarboxylic acid
Also known as: 6-Oxo-1,6-dihydropyridazine-3-carboxylic acid, 6-Hydroxypyridazine-3-carboxylic acid, 3-Pyridazinecarboxylic acid, 1,6-dihydro-6-oxo-, 6-Oxo-1,6-dihydro-3-pyridazinecarboxylic acid, 2,3-Dihydro-3-oxopyridazine-6-carboxylic acid
6-Hydroxy-3-pyridazinecarboxylic acid (CAS 37972-69-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H4N2O3 and a molecular weight of 140.097 g/mol. Key properties include a melting point of 246ºC, a boiling point of 518.5±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 267.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37972-69-3
- Jingsj CID
- J-1524060-5
- Molecular Formula
- C5H4N2O3
- Molecular Weight
- 140.097 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 246ºC |
|---|---|
| Boiling Point | 518.5±35.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 267.4±25.9 °C |
| Exact Mass | 140.022186 |
| PSA | 83.31000 |
| LogP | 0.47 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.639 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 6-Hydroxy-3-pyridazinecarboxylic acid?
The CAS number of 6-Hydroxy-3-pyridazinecarboxylic acid is 37972-69-3.
What are the molecular formula and molecular weight of 6-Hydroxy-3-pyridazinecarboxylic acid?
6-Hydroxy-3-pyridazinecarboxylic acid has molecular formula C5H4N2O3 and molecular weight 140.097 g/mol.
What are the upstream and downstream products of 6-Hydroxy-3-pyridazinecarboxylic acid?
For 6-Hydroxy-3-pyridazinecarboxylic acid, Upstream Products: 6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid, 6-Methylpyridazin-3(2H)-one, 3-Chloro-6-methylpyridazine; Downstream Products: 6-Chloropyridazine-3-carboxylic acid, 6-Chloropyridazine-3-carbonitrile, 6-Chloropyridazine-3-carboxamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Hydroxy-3-pyridazinecarboxylic acid (CAS 37972-69-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524060-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.