3,5-Diphenylisoxazole

Also known as: 3,5-Diphenyl-1,2-oxazole, Isoxazole, 3,5-diphenyl-, 3,5-Diphenyloxazole, NSC 5565

3,5-Diphenylisoxazole (CAS 2039-49-8) 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 boiling point of 396.6ºC at 760mmHg, 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.: 2039-49-8
Jingsj CID: J-1506053-4
Molecular Formula: C₁₅H₁₁NO
Molecular Weight: 221.25400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	396.6ºC at 760mmHg
Density	1.128g/cm3
Flash Point	162.3ºC
Exact Mass	221.08400
PSA	26.03000
LogP	4.00860
Vapor Pressure	3.87E-06mmHg 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 3,5-Diphenylisoxazole?

The CAS number of 3,5-Diphenylisoxazole is 2039-49-8.

What are the molecular formula and molecular weight of 3,5-Diphenylisoxazole?

3,5-Diphenylisoxazole has molecular formula C15H11NO and molecular weight 221.25400 g/mol.

What are the upstream and downstream products of 3,5-Diphenylisoxazole?

For 3,5-Diphenylisoxazole, Upstream Products: Phenylacetylene, Benzaldoxime, Dibenzoylmethane; Downstream Products: 4-Bromo-3,5-diphenylisoxazole, Benzamide, benzoic acid.

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. "3,5-Diphenylisoxazole (CAS 2039-49-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506053-4 (accessed 2026-11-09).

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