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Oxazole

Also known as: (2,3-d) oxazole, 1,3-OXAZOLE, 1,3-Oxazole, 1,3-Oxazole 98%, 1,3-oxazole, 3-Azafuran, 3-oxazolane, EINECS 206-020-8, EOS-61256, MFCD00009751, OXAZOLE, Oxazol, Oxazole,98+%, RARECHEM AM LA 0030

Oxazole (CAS 288-42-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H3NO and a molecular weight of 69.06 g/mol. Key properties include a melting point of −87-−84 °C(lit.), a boiling point of 69.5±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 18.9±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
288-42-6
Jingsj CID
J-26929-8
Molecular Formula
C3H3NO
Molecular Weight
69.06 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−87-−84 °C(lit.)
Boiling Point69.5±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point18.9±0.0 °C
Exact Mass69.021461
PSA26.03000
LogP0.12
Vapor Pressure145.4±0.1 mmHg at 25°C
Refractive Index1.422
Storage ConditionsRefrigerator

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Oxazole?

The CAS number of Oxazole is 288-42-6.

What are the molecular formula and molecular weight of Oxazole?

Oxazole has molecular formula C3H3NO and molecular weight 69.06 g/mol.

What are the upstream and downstream products of Oxazole?

For Oxazole, Upstream Products: N-(3-Bromopropyl)phthalimide, 3H-Oxazole-2-thione, Oxazole-4-carboxylic acid; Downstream Products: 2,5-Diphenyloxazole, 5-(pyridin-2-yl)-1,3-oxazole, Oxazole-2-carboxylic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Oxazole (CAS 288-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26929-8 (accessed 2026-11-06).

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