Allylurea

烯丙基脲

Also known as: 1-Allylurea, 2-Propenylurea, Allylcarbamide, Monoallylurea, N-2-Propenylurea, N-Allylurea, prop-2-enylurea

Allylurea (CAS 557-11-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8N2O and a molecular weight of 100.11900 g/mol. It is also known as 1-Allylurea, 2-Propenylurea and Allylcarbamide. Key properties include a melting point of 84-86 °C(lit.), a boiling point of 167.9ºC at 760mmHg, a density of 1.008g/cm3 and a flash point of 55.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
557-11-9
Jingsj CID
J-47865-0
Molecular Formula
C4H8N2O
Chinese Name
烯丙基脲
Molecular Weight
100.11900 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point84-86 °C(lit.)
Boiling Point167.9ºC at 760mmHg
Density1.008g/cm3
Flash Point55.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Allylurea?

The CAS number of Allylurea is 557-11-9.

What are the molecular formula and molecular weight of Allylurea?

Allylurea has molecular formula C4H8N2O and molecular weight 100.11900 g/mol.

Is Allylurea hazardous?

Allylurea has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Allylurea (CAS 557-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47865-0 (accessed 2026-10-22).

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