2-(4-Nitrophenyl)benzoxazole

Also known as: 2-(4-Nitrophenyl)-1,3-benzoxazole, 2-(4-Nitrophenyl)benzoxazole, 2-(4-nitrophenyl)-benzooxazole, 2-(4-nitrophenyl)benzo[d]oxazole, 2-(p-nitrophenyl)benzoxazole, Benzoxazole, 2-(4-nitrophenyl)-, Benzoxazole,2-(4-nitrophenyl), Benzoxazole,2-(p-nitrophenyl), R 673

2-(4-Nitrophenyl)benzoxazole (CAS 840-58-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H8N2O3 and a molecular weight of 240.21400 g/mol. Key properties include a boiling point of 379.4ºC at 760 mmHg, a density of 1.359g/cm3 and a flash point of 183.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 840-58-4
Jingsj CID: J-1128227-2
Molecular Formula: C₁₃H₈N₂O₃
Molecular Weight: 240.21400 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	379.4ºC at 760 mmHg
Density	1.359g/cm3
Flash Point	183.2ºC
Exact Mass	240.05300
PSA	71.85000
LogP	3.92620
Refractive Index	1.665

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-Nitrophenyl)benzoxazole?

The CAS number of 2-(4-Nitrophenyl)benzoxazole is 840-58-4.

What are the molecular formula and molecular weight of 2-(4-Nitrophenyl)benzoxazole?

2-(4-Nitrophenyl)benzoxazole has molecular formula C13H8N2O3 and molecular weight 240.21400 g/mol.

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-Nitrophenyl)benzoxazole (CAS 840-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1128227-2 (accessed 2026-11-09).

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