Allylurea
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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 557-11-9
- Jingsj CID
- J-47865-9
- Molecular Formula
- C4H8N2O
- Molecular Weight
- 100.11900 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 84-86 °C(lit.) |
|---|---|
| Boiling Point | 167.9ºC at 760mmHg |
| Density | 1.008g/cm3 |
| Flash Point | 55.3ºC |
| Exact Mass | 100.06400 |
| PSA | 55.12000 |
| LogP | 0.93190 |
| Refractive Index | 1.465 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2924199090 |
|---|---|
| Summary | 2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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 and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem 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-47865-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.