1,2-Dihydro-3H-1,2,4-triazol-3-one
1,2-二氢-3H-1,2,4-三唑-3-酮
Also known as: 1,2,4-Triazol-3-one, 1,2,4-Triazolin-3-one, 1H-1,2,4-Triazol-3-ol, 1,2-Dihydro-3H-1,2,4-triazol-3-one, 2,4-Dihydro-1,2,4-triazol-3-one
1,2-Dihydro-3H-1,2,4-triazol-3-one (CAS 930-33-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C2H3N3O and a molecular weight of 85.065 g/mol. It is also known as 1,2,4-Triazol-3-one, 1,2,4-Triazolin-3-one and 1H-1,2,4-Triazol-3-ol. Key properties include a boiling point of 412.6±28.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 203.4±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 930-33-6
- Jingsj CID
- J-1582972-4
- Molecular Formula
- C2H3N3O
- Chinese Name
- 1,2-二氢-3H-1,2,4-三唑-3-酮
- Molecular Weight
- 85.065 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 412.6±28.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 203.4±24.0 °C |
| Exact Mass | 85.027611 |
| PSA | 61.54000 |
| LogP | -0.86 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.631 |
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 1,2-Dihydro-3H-1,2,4-triazol-3-one?
The CAS number of 1,2-Dihydro-3H-1,2,4-triazol-3-one is 930-33-6.
What are the molecular formula and molecular weight of 1,2-Dihydro-3H-1,2,4-triazol-3-one?
1,2-Dihydro-3H-1,2,4-triazol-3-one has molecular formula C2H3N3O and molecular weight 85.065 g/mol.
What are the upstream and downstream products of 1,2-Dihydro-3H-1,2,4-triazol-3-one?
For 1,2-Dihydro-3H-1,2,4-triazol-3-one, Upstream Products: Semicarbazide hydrochloride, Formic Acid, Triethyl orthoformate; Downstream Products: 1H-1,2,4-Triazole, 3-methoxy-1-methyl-.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Dihydro-3H-1,2,4-triazol-3-one (CAS 930-33-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1582972-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.