4-Hydroxy-1H-indazole
Also known as: 1H-Indazol-4-ol, 4-Hydroxyindazole, 1,2-dihydroindazol-4-one, MFCD06858736
4-Hydroxy-1H-indazole (CAS 81382-45-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O and a molecular weight of 134.135 g/mol. Key properties include a melting point of 177-178 ºC, a boiling point of 366.5±15.0 °C at 760 mmHg, a density of 1.434±0.06 g/cm3 and a flash point of 175.5±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 81382-45-8
- Jingsj CID
- J-1365880-5
- Molecular Formula
- C7H6N2O
- Molecular Weight
- 134.135 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 177-178 ºC |
|---|---|
| Boiling Point | 366.5±15.0 °C at 760 mmHg |
| Density | 1.434±0.06 g/cm3 |
| Flash Point | 175.5±20.4 °C |
| Exact Mass | 134.048019 |
| PSA | 48.91000 |
| LogP | 1.08 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.760 |
| Additional Property | Slightly soluble (5 g/L) (25 ºC) |
Frequently Asked Questions
What is the CAS number of 4-Hydroxy-1H-indazole?
The CAS number of 4-Hydroxy-1H-indazole is 81382-45-8.
What are the molecular formula and molecular weight of 4-Hydroxy-1H-indazole?
4-Hydroxy-1H-indazole has molecular formula C7H6N2O and molecular weight 134.135 g/mol.
What are the upstream and downstream products of 4-Hydroxy-1H-indazole?
For 4-Hydroxy-1H-indazole, Upstream Products: 1H-Indazol-4-amine, 3-Acetamido-2-methylphenyl acetate, 4-Nitro-1H-indazole; Downstream Products: 4-(Benzyloxy)-1H-indazole.
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-Hydroxy-1H-indazole (CAS 81382-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365880-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.