5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)-

Also known as: 4-Benzylidene-2-phenyl-5(4H)-oxazolone, 2-Phenyl-4-(phenylmethylene)-5(4H)-oxazolone, 4-Benzylidene-2-phenyloxazol-5(4H)-one, 4-Benzylidene-2-phenyl-5-oxo-2-oxazoline, 4-Benzylidene-2-phenyl-4,5-dihydro-5-oxooxazole, 4-Benzylidene-2-phenyl-4,5-dihydro-1,3-oxazol-5-one, 2-Phenyl-4-(phenylmethylidene)-4,5-dihydro-1,3-oxazol-5-one, NSC 291, NSC 3334, (Z/E)-4-Benzylidene-2-phenyl-1,3-oxazol-5(4H)-one

5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)- (CAS 842-74-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H11NO2 and a molecular weight of 249.26400 g/mol. Key properties include a boiling point of 386.5ºC at 760mmHg, a density of 1.16 g/cm3 and a flash point of 175.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 842-74-0
Jingsj CID: J-1513115-4
Molecular Formula: C₁₆H₁₁NO₂
Molecular Weight: 249.26400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	386.5ºC at 760mmHg
Density	1.16 g/cm3
Flash Point	175.6ºC
Exact Mass	249.07900
PSA	38.66000
LogP	2.46670
Refractive Index	1.61

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 5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)-?

The CAS number of 5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)- is 842-74-0.

What are the molecular formula and molecular weight of 5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)-?

5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)- has molecular formula C16H11NO2 and molecular weight 249.26400 g/mol.

What are the upstream and downstream products of 5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)-?

For 5(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)-, Upstream Products: Hippuric acid, Benzaldehyde, 2-Phenyl-5-oxazolone; Downstream Products: 2-Phenylbenzimidazole, 4-benzyl-2-phenyl-2-oxazoline-5-one, DL-Phenylalanine.

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(4H)-Oxazolone, 2-phenyl-4-(phenylmethylene)- (CAS 842-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513115-4 (accessed 2026-11-09).

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