1-Phenyl-1,2,4-triazol-3-ol
Also known as: 1-Phenyl-1,2-dihydro-3H-1,2,4-triazol-3-one, 1-Phenyl-1H-1,2,4-triazol-3-ol, 3-Hydroxy-1-phenyl-1,2,4-triazole, 1-Phenyl-2H-1,2,4-triazol-3-one, 1-Phenyl-3-hydroxy-1,2,4-triazole, Phenyltriazolol
1-Phenyl-1,2,4-triazol-3-ol (CAS 4231-68-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7N3O and a molecular weight of 161.161 g/mol. Key properties include a melting point of 277-280, a boiling point of 392.2±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 191.0±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4231-68-9
- Jingsj CID
- J-1409928-3
- Molecular Formula
- C8H7N3O
- Molecular Weight
- 161.161 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 277-280 |
|---|---|
| Boiling Point | 392.2±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 191.0±23.2 °C |
| Exact Mass | 161.058914 |
| PSA | 50.94000 |
| LogP | 1.45 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.665 |
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 1-Phenyl-1,2,4-triazol-3-ol?
The CAS number of 1-Phenyl-1,2,4-triazol-3-ol is 4231-68-9.
What are the molecular formula and molecular weight of 1-Phenyl-1,2,4-triazol-3-ol?
1-Phenyl-1,2,4-triazol-3-ol has molecular formula C8H7N3O and molecular weight 161.161 g/mol.
What are the upstream and downstream products of 1-Phenyl-1,2,4-triazol-3-ol?
For 1-Phenyl-1,2,4-triazol-3-ol, Upstream Products: Phenylhydrazine, 1-Phenylsemicarbazide, Triethyl orthoformate; Downstream Products: Triethylamine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Phenyl-1,2,4-triazol-3-ol (CAS 4231-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1409928-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.