4-Phenyl-1H-1,2,3-triazole
Also known as: 4-Phenyl-1,2,3-triazole, 5-Phenyl-1H-1,2,3-triazole, 4-Phenyltriazole, v-Triazole, 4-phenyl-, NSC 83125, 1H-1,2,3-Triazole, 4-phenyl-, 1H-1,2,3-Triazole, 5-phenyl-
4-Phenyl-1H-1,2,3-triazole (CAS 1680-44-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7N3 and a molecular weight of 145.16 g/mol. Key properties include a melting point of 143-14℃, a boiling point of 346.0±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 169.4±12.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1680-44-0
- Jingsj CID
- J-1983562-2
- Molecular Formula
- C8H7N3
- Molecular Weight
- 145.16 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 143-14℃ |
|---|---|
| Boiling Point | 346.0±11.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 169.4±12.2 °C |
| Exact Mass | 145.063995 |
| PSA | 41.57000 |
| LogP | 1.91 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.611 |
Activity & Biological Data
| Additional Information | [1]. Röhrig UF, et al. Rational design of 4-aryl-1,2,3-triazoles for indoleamine 2,3-dioxygenase 1 inhibition. J Med Chem. 2012 Jun 14;55(11):5270-90. |
|---|
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 4-Phenyl-1H-1,2,3-triazole?
The CAS number of 4-Phenyl-1H-1,2,3-triazole is 1680-44-0.
What are the molecular formula and molecular weight of 4-Phenyl-1H-1,2,3-triazole?
4-Phenyl-1H-1,2,3-triazole has molecular formula C8H7N3 and molecular weight 145.16 g/mol.
What are the upstream and downstream products of 4-Phenyl-1H-1,2,3-triazole?
For 4-Phenyl-1H-1,2,3-triazole, Upstream Products: Phenylacetylene, trans-β-Nitrostyrene, 2,3-dibromo-3-phenylpropanoic acid; Downstream Products: 4-Bromo-5-phenyl-1H-1,2,3-triazole.
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-Phenyl-1H-1,2,3-triazole (CAS 1680-44-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983562-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.