1H-1,2,4-triazole
Also known as: 1,2,4-Triazole, 1H-1,2,4-Triazole, s-Triazole, sym-Triazole, Pyrrodiazole, 1,2,4-1H-Triazole, 4H-1,2,4-triazole, TA-4, Voriconazole Impurity 3
1H-1,2,4-triazole (CAS 288-88-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H3N3 and a molecular weight of 69.07 g/mol. Key properties include a melting point of 119-121 °C(lit.), a boiling point of 260.0±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 139.1±11.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 288-88-0
- Jingsj CID
- J-44347-0
- Molecular Formula
- C2H3N3
- Molecular Weight
- 69.07 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 119-121 °C(lit.) |
|---|---|
| Boiling Point | 260.0±9.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 139.1±11.7 °C |
| Exact Mass | 69.032700 |
| PSA | 41.57000 |
| LogP | -0.58 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.535 |
| Storage Conditions | Store at 0-5°C |
| Additional Property | 1250 g/L (20 ºC) |
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 1H-1,2,4-triazole?
The CAS number of 1H-1,2,4-triazole is 288-88-0.
What are the molecular formula and molecular weight of 1H-1,2,4-triazole?
1H-1,2,4-triazole has molecular formula C2H3N3 and molecular weight 69.07 g/mol.
What are the upstream and downstream products of 1H-1,2,4-triazole?
For 1H-1,2,4-triazole, Upstream Products: 1-(1H-1,2,4-Triazol-1-yl)ethanone, 1,2-Diformylhydrazine, 1-Benzyl-1H-1,2,4-triazole; Downstream Products: ethyl (E)-3-(2-chlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)prop-2-enoate, ethyl (E)-3-(3-nitrophenyl)-2-(1,2,4-triazol-1-ylmethyl)prop-2-enoate, methyl (E)-3-phenyl-2-(1,2,4-triazol-1-ylmethyl)prop-2-enoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1H-1,2,4-triazole (CAS 288-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44347-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.