1-Ethyl-1H-1,2,4-triazole
Also known as: 1-ETHYL-1,2,4-TRIAZOLE, 1-Ethyl-1H-1,2,4-Triazole, 1H-1,2,4-Triazole, 1-ethyl-
1-Ethyl-1H-1,2,4-triazole (CAS 16778-70-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H7N3 and a molecular weight of 97.118 g/mol. Key properties include a boiling point of 188.1±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 67.6±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16778-70-4
- Jingsj CID
- J-1432655-7
- Molecular Formula
- C4H7N3
- Molecular Weight
- 97.118 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 188.1±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 67.6±22.6 °C |
| Exact Mass | 97.063995 |
| PSA | 30.71000 |
| LogP | -0.33 |
| Vapor Pressure | 0.6±0.4 mmHg at 25°C |
| Refractive Index | 1.562 |
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-Ethyl-1H-1,2,4-triazole?
The CAS number of 1-Ethyl-1H-1,2,4-triazole is 16778-70-4.
What are the molecular formula and molecular weight of 1-Ethyl-1H-1,2,4-triazole?
1-Ethyl-1H-1,2,4-triazole has molecular formula C4H7N3 and molecular weight 97.118 g/mol.
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-Ethyl-1H-1,2,4-triazole (CAS 16778-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1432655-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.