3,4-diphenyl-5H-furan-2-one

Also known as: 3,4-diphenyl-2,5-dihydrofuran-2-one, 3,4-diphenylfuran-2(5H)-one, 3,4-diphenyl-2(5H)-furanone, 2,5-dihydro-3,4-diphenyl-2-furanone, 2,3-diphenylbut-2-en-4-olide, 3,4-diphenyl-2H-furan-5-one, 3,4-bis-(phenyl)furan-2(5H)-one, NSC 400730

3,4-diphenyl-5H-furan-2-one (CAS 5635-16-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C16H12O2 and a molecular weight of 236.26500 g/mol. Key properties include a boiling point of 441.3ºC at 760 mmHg, a density of 1.218g/cm3 and a flash point of 186.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5635-16-5
Jingsj CID: J-854150-2
Molecular Formula: C₁₆H₁₂O₂
Molecular Weight: 236.26500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	441.3ºC at 760 mmHg
Density	1.218g/cm3
Flash Point	186.7ºC
Exact Mass	236.08400
PSA	26.30000
LogP	3.15420
Refractive Index	1.626

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. 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 3,4-diphenyl-5H-furan-2-one?

The CAS number of 3,4-diphenyl-5H-furan-2-one is 5635-16-5.

What are the molecular formula and molecular weight of 3,4-diphenyl-5H-furan-2-one?

3,4-diphenyl-5H-furan-2-one has molecular formula C16H12O2 and molecular weight 236.26500 g/mol.

What are the upstream and downstream products of 3,4-diphenyl-5H-furan-2-one?

For 3,4-diphenyl-5H-furan-2-one, Upstream Products: 3,4-Dichloro-2(5H)-furanone, Phenylboronic acid, 2-Bromoacetophenone; Downstream Products: 2,3-Diphenylmaleic anhydride.

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. "3,4-diphenyl-5H-furan-2-one (CAS 5635-16-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-854150-2 (accessed 2026-11-09).

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