3-Propionyl-2-benzoxazolinone

Also known as: 3-Propionylbenzo[d]oxazol-2(3H)-one, 3-propanoyl-1,3-benzoxazol-2-one, N-Propionyl-2-benzoxazolinone, 2(3H)-Benzoxazolone, 3-(1-oxopropyl)-, 3-Propionyl-2-benzoxazolone, 3-Propionyl-3H-benzooxazol-2-one, 3-propionylbenzoxazolin-2-one, N-propionyl-2-benzoxazolone

3-Propionyl-2-benzoxazolinone (CAS 33388-19-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9NO3 and a molecular weight of 191.183 g/mol. Key properties include a boiling point of 305.7±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 138.7±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33388-19-1
Jingsj CID: J-1092857-1
Molecular Formula: C₁₀H₉NO₃
Molecular Weight: 191.183 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	305.7±25.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	138.7±23.2 °C
Exact Mass	191.058243
PSA	52.21000
LogP	1.34
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.582

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 3-Propionyl-2-benzoxazolinone?

The CAS number of 3-Propionyl-2-benzoxazolinone is 33388-19-1.

What are the molecular formula and molecular weight of 3-Propionyl-2-benzoxazolinone?

3-Propionyl-2-benzoxazolinone has molecular formula C10H9NO3 and molecular weight 191.183 g/mol.

What are the upstream and downstream products of 3-Propionyl-2-benzoxazolinone?

For 3-Propionyl-2-benzoxazolinone, Upstream Products: 2-Benzoxazolinone, Propionyl chloride, Propionic anhydride; Downstream Products: 2-Benzoxazolinone.

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-Propionyl-2-benzoxazolinone (CAS 33388-19-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1092857-1 (accessed 2026-11-09).

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