5-(4-Methylphenyl)-5-phenylhydantoin

Also known as: 2,4-Imidazolidinedione, 5-(4-methylphenyl)-5-phenyl-, 5-(4-Methylphenyl)-5-phenyl-2,4-imidazolidinedione, 5-(p-Methylphenyl)-5-phenylhydantoin, 5-Phenyl-5-(p-tolyl)hydantoin, MPPH, MFCD00005263, EINECS 257-028-3

5-(4-Methylphenyl)-5-phenylhydantoin (CAS 51169-17-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H14N2O2 and a molecular weight of 266.29500 g/mol. Key properties include a melting point of 225-226ºC(lit.) and a density of 1.227g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51169-17-6
Jingsj CID: J-5532-5
Molecular Formula: C₁₆H₁₄N₂O₂
Molecular Weight: 266.29500 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	225-226ºC(lit.)
Density	1.227g/cm3
Exact Mass	266.10600
PSA	58.20000
LogP	2.73560
Refractive Index	1.602

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 5-(4-Methylphenyl)-5-phenylhydantoin?

The CAS number of 5-(4-Methylphenyl)-5-phenylhydantoin is 51169-17-6.

What are the molecular formula and molecular weight of 5-(4-Methylphenyl)-5-phenylhydantoin?

5-(4-Methylphenyl)-5-phenylhydantoin has molecular formula C16H14N2O2 and molecular weight 266.29500 g/mol.

What are the upstream and downstream products of 5-(4-Methylphenyl)-5-phenylhydantoin?

For 5-(4-Methylphenyl)-5-phenylhydantoin, Upstream Products: Urea, 4-Methylbenzophenone, 1-(4-Methylphenyl)-2-phenylethanone.

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. "5-(4-Methylphenyl)-5-phenylhydantoin (CAS 51169-17-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5532-5 (accessed 2026-11-06).

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