Ethanone, 1-cyclopropyl-, oxime

Also known as: 1-cyclopropylethan-1-one oxime, 1-cyclopropylethanone oxime, cyclopropylethan-1-one oxime, cyclopropylmethylketone oxime, (Z)-1-cyclopropylethanone oxime, (1E)-1-cyclopropylethanone oxime, (NZ)-N-(1-cyclopropylethylidene)hydroxylamine, (NE)-N-(1-cyclopropylethylidene)hydroxylamine, N-(1-cyclopropylethylidene)hydroxylamine, Ethanone, 1-cyclopropyl-, oxime, NSC 33804, Einecs 257-389-7, MFCD00778669, CS-0266592, LS-12863, STL373372, AKOS002679257, EN300-103775, BBL028988

Ethanone, 1-cyclopropyl-, oxime (CAS 51761-72-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NO and a molecular weight of 99.131 g/mol. Key properties include a boiling point of 190.5±7.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 96.3±7.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51761-72-9
Jingsj CID: J-860110-3
Molecular Formula: C₅H₉NO
Molecular Weight: 99.131 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	190.5±7.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	96.3±7.4 °C
Exact Mass	99.068413
PSA	32.59000
LogP	0.49
Vapor Pressure	0.2±0.8 mmHg at 25°C
Refractive Index	1.541

Customs & Trade Information

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Ethanone, 1-cyclopropyl-, oxime?

The CAS number of Ethanone, 1-cyclopropyl-, oxime is 51761-72-9.

What are the molecular formula and molecular weight of Ethanone, 1-cyclopropyl-, oxime?

Ethanone, 1-cyclopropyl-, oxime has molecular formula C5H9NO and molecular weight 99.131 g/mol.

What are the upstream and downstream products of Ethanone, 1-cyclopropyl-, oxime?

For Ethanone, 1-cyclopropyl-, oxime, Upstream Products: Cyclopropyl methyl ketone; Downstream Products: Cyclopropylamine, Cyclopropyl methyl ketone, (R)-1-Cyclopropylethylamine.

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. "Ethanone, 1-cyclopropyl-, oxime (CAS 51761-72-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-860110-3 (accessed 2026-11-09).

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