1-(prop-2-yn-1-yl)urea
Also known as: 1-(Prop-2-yn-1-yl)urea, 1-(Prop-2-ynyl)urea, 1-Propargylurea, 2-Propynylurea, N-Prop-2-ynylurea, Prop-2-ynylurea, Propargylurea, N-Propargylurea, 1-(2-Propyn-1-yl)urea, Urea, N-2-propyn-1-yl-, prop-2-yn-1-ylurea, prop-2-ynyl-urea, (2-Propinyl)harnstoff
1-(prop-2-yn-1-yl)urea (CAS 5221-62-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H6N2O and a molecular weight of 98.103 g/mol. Key properties include a melting point of 130ºC, a boiling point of 181.6±32.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 63.6±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5221-62-5
- Jingsj CID
- J-1374980-2
- Molecular Formula
- C4H6N2O
- Molecular Weight
- 98.103 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130ºC |
|---|---|
| Boiling Point | 181.6±32.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 63.6±25.1 °C |
| Exact Mass | 98.048012 |
| PSA | 55.12000 |
| LogP | -0.85 |
| Vapor Pressure | 0.8±0.3 mmHg at 25°C |
| Refractive Index | 1.493 |
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 1-(prop-2-yn-1-yl)urea?
The CAS number of 1-(prop-2-yn-1-yl)urea is 5221-62-5.
What are the molecular formula and molecular weight of 1-(prop-2-yn-1-yl)urea?
1-(prop-2-yn-1-yl)urea has molecular formula C4H6N2O and molecular weight 98.103 g/mol.
What are the upstream and downstream products of 1-(prop-2-yn-1-yl)urea?
For 1-(prop-2-yn-1-yl)urea, Upstream Products: Potassium cyanate, Propargylamine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(prop-2-yn-1-yl)urea (CAS 5221-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374980-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.