N-(2-acetyl-3-oxobut-1-en-1-yl)urea

(2-乙酰-3-氧代-丁-1-烯基)脲

Also known as: (2-acetyl-3-oxo-but-1-enyl)urea, (2-acetyl-3-oxobut-1-enyl)urea, (2-acetyl-3-keto-but-1-enyl)urea, (2-ethanoyl-3-oxo-but-1-enyl)urea, 1-(2-acetyl-3-oxobut-1-en-1-yl)urea, 3-UREIDOMETHYLENE-2,4-PENTANEDIONE, 3-ureidomethylene-2,4-pentanedione, Nsc66566, urea, N-(2-acetyl-3-oxo-1-butenyl)-, ureidomethyleneacetone

N-(2-acetyl-3-oxobut-1-en-1-yl)urea (CAS 6971-56-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O3 and a molecular weight of 170.16600 g/mol. It is also known as (2-acetyl-3-oxo-but-1-enyl)urea, (2-acetyl-3-oxobut-1-enyl)urea and (2-acetyl-3-keto-but-1-enyl)urea. Key properties include a boiling point of 349.9ºC at 760 mmHg, a density of 1.203g/cm3 and a flash point of 165.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6971-56-8
Jingsj CID
J-1083295-8
Molecular Formula
C7H10N2O3
Chinese Name
(2-乙酰-3-氧代-丁-1-烯基)脲
Molecular Weight
170.16600 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point349.9ºC at 760 mmHg
Density1.203g/cm3
Flash Point165.4ºC

Frequently Asked Questions

What is the CAS number of N-(2-acetyl-3-oxobut-1-en-1-yl)urea?

The CAS number of N-(2-acetyl-3-oxobut-1-en-1-yl)urea is 6971-56-8.

What are the molecular formula and molecular weight of N-(2-acetyl-3-oxobut-1-en-1-yl)urea?

N-(2-acetyl-3-oxobut-1-en-1-yl)urea has molecular formula C7H10N2O3 and molecular weight 170.16600 g/mol.

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

Last updated:

How to cite: Jingsj. "N-(2-acetyl-3-oxobut-1-en-1-yl)urea (CAS 6971-56-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083295-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.