2,4-Diphenyloxazole

Also known as: 2,4-Diphenyloxazole, Oxazole, 2,4-diphenyl-, 2,4-Diphenyl-1,3-oxazole, NSC 126384

2,4-Diphenyloxazole (CAS 838-41-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H11NO and a molecular weight of 221.25400 g/mol. Key properties include a melting point of 105ºC, a boiling point of 339ºC at 760 mmHg, a density of 1.128g/cm3 and a flash point of 162.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 838-41-5
Jingsj CID: J-49782-5
Molecular Formula: C₁₅H₁₁NO
Molecular Weight: 221.25400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	105ºC
Boiling Point	339ºC at 760 mmHg
Density	1.128g/cm3
Flash Point	162.3ºC
Exact Mass	221.08400
PSA	26.03000
LogP	4.00860
Vapor Pressure	0.000186mmHg at 25°C
Refractive Index	1.586

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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-Diphenyloxazole?

The CAS number of 2,4-Diphenyloxazole is 838-41-5.

What are the molecular formula and molecular weight of 2,4-Diphenyloxazole?

2,4-Diphenyloxazole has molecular formula C15H11NO and molecular weight 221.25400 g/mol.

What are the upstream and downstream products of 2,4-Diphenyloxazole?

For 2,4-Diphenyloxazole, Upstream Products: Benzamide, Phenylacetylene, Bromobenzene.

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-Diphenyloxazole (CAS 838-41-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49782-5 (accessed 2026-11-09).

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