1-phenyl-1,4-dihydro-5H-tetrazol-5-one

Also known as: 1,4-dihydro-1-phenyl-5H-tetrazol-5-one, 1-phenyl-4,5-dihydro-1H-tetrazol-5-one, 1-phenyl-5-hydroxytetrazole, 1-phenyl-1,4-dihydrotetrazol-5-one, 1-phenyl-1H-tetrazol-5(4H)-one, 1-phenyl-2-tetrazolin-5-one, 1-phenyl-2H-tetrazol-5-one, 1-phenyl-5(4H)-tetrazolinone, 1-phenyl-2H-1,2,3,4-tetrazol-5-one, 5H-tetrazol-5-one, 1,2-dihydro-1-phenyl-

1-phenyl-1,4-dihydro-5H-tetrazol-5-one (CAS 5097-82-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H6N4O and a molecular weight of 162.14900 g/mol. Key properties include a boiling point of 231.2ºC at 760mmHg, a density of 1.46g/cm3 and a flash point of 93.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5097-82-5
Jingsj CID: J-1481713-1
Molecular Formula: C₇H₆N₄O
Molecular Weight: 162.14900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	231.2ºC at 760mmHg
Density	1.46g/cm3
Flash Point	93.6ºC
Exact Mass	162.05400
PSA	63.57000

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-phenyl-1,4-dihydro-5H-tetrazol-5-one?

The CAS number of 1-phenyl-1,4-dihydro-5H-tetrazol-5-one is 5097-82-5.

What are the molecular formula and molecular weight of 1-phenyl-1,4-dihydro-5H-tetrazol-5-one?

1-phenyl-1,4-dihydro-5H-tetrazol-5-one has molecular formula C7H6N4O and molecular weight 162.14900 g/mol.

What are the upstream and downstream products of 1-phenyl-1,4-dihydro-5H-tetrazol-5-one?

For 1-phenyl-1,4-dihydro-5H-tetrazol-5-one, Downstream Products: 1-Methyl-3-phenyl-2-thiourea, 1-(2-Propenyl)-2-benzimidazolidinone, 2-Hydroxybenzimidazole.

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. "1-phenyl-1,4-dihydro-5H-tetrazol-5-one (CAS 5097-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1481713-1 (accessed 2026-11-09).

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