2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one

Also known as: 3H-1,2,4-Triazol-3-one, 2,4-dihydro-4-phenyl-, 4-Phenyl-1H-1,2,4-triazol-5(4H)-one, 4-Phenyl-4,5-dihydro-1H-1,2,4-triazol-5-one, 4-Phenyl-1,2,4-triazolin-5-one, 4-Phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one, 4-Phenyl-4,5-dihydro-1H-1,2,4-triazole-5-one, Phenyldihydrotriazolone, 2,4-Dihydro-4-phenyl-1H-1,2,4-triazol-3-one

2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one (CAS 1008-30-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7N3O and a molecular weight of 161.16100 g/mol. Key properties include a melting point of 184-186ºC and a density of 1.32g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1008-30-6
Jingsj CID: J-1518984-1
Molecular Formula: C₈H₇N₃O
Molecular Weight: 161.16100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	184-186ºC
Density	1.32g/cm3
Exact Mass	161.05900
PSA	50.68000
LogP	0.56060
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 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one?

The CAS number of 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one is 1008-30-6.

What are the molecular formula and molecular weight of 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one?

2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one has molecular formula C8H7N3O and molecular weight 161.16100 g/mol.

What are the upstream and downstream products of 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one?

For 2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one, Upstream Products: Methyl carbazate, Trimethyl orthoformate, 1-Formyl-4-phenylsemicarbazide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,4-Dihydro-4-phenyl-3H-1,2,4-triazol-3-one (CAS 1008-30-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518984-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.