5-(naphthalen-2-yl)-1,3-oxazole

Also known as: 5-(2-naphthalenyl)oxazole, 5-(2-naphthyl)oxazole, 5-(naphthalen-2-yl)oxazole, 5-(naphthalene-2-yl)oxazole, 5-Naphth-2-yl-1,3-oxazole, 5-Naphthalen-2-yl-oxazole, oxazole, 5-(2-naphthalenyl)-, oxazole,5-(2-naphthalenyl)-

5-(naphthalen-2-yl)-1,3-oxazole (CAS 143659-20-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H9NO and a molecular weight of 195.21700 g/mol. Key properties include a boiling point of 355.1ºC at 760 mmHg, a density of 1.184g/cm3 and a flash point of 147.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 143659-20-5
Jingsj CID: J-1525241-2
Molecular Formula: C₁₃H₉NO
Molecular Weight: 195.21700 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	355.1ºC at 760 mmHg
Density	1.184g/cm3
Flash Point	147.1ºC
Exact Mass	195.06800
PSA	26.03000
LogP	3.49480
Vapor Pressure	6.54E-05mmHg at 25°C
Refractive Index	1.635

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-(naphthalen-2-yl)-1,3-oxazole?

The CAS number of 5-(naphthalen-2-yl)-1,3-oxazole is 143659-20-5.

What are the molecular formula and molecular weight of 5-(naphthalen-2-yl)-1,3-oxazole?

5-(naphthalen-2-yl)-1,3-oxazole has molecular formula C13H9NO and molecular weight 195.21700 g/mol.

What are the upstream and downstream products of 5-(naphthalen-2-yl)-1,3-oxazole?

For 5-(naphthalen-2-yl)-1,3-oxazole, Upstream Products: 2-Naphthaldehyde.

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-(naphthalen-2-yl)-1,3-oxazole (CAS 143659-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525241-2 (accessed 2026-11-09).

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