1-iodo-1-butyne
1-碘-1-丁炔
Also known as: 1-butynyl iodide, 1-iodobut-1-yne, butynyl iodide, 1-butyne, 1-iodo-, 1-butynyl iodide (stabilized with copper chip)
1-iodo-1-butyne (CAS 66794-29-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H5I and a molecular weight of 179.987 g/mol. It is also known as 1-butynyl iodide, 1-iodobut-1-yne and butynyl iodide. Key properties include a boiling point of 134.3±9.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 49.0±14.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66794-29-4
- Jingsj CID
- J-663-5
- Molecular Formula
- C4H5I
- Chinese Name
- 1-碘-1-丁炔
- Molecular Weight
- 179.987 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 134.3±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 49.0±14.2 °C |
Frequently Asked Questions
What is the CAS number of 1-iodo-1-butyne?
The CAS number of 1-iodo-1-butyne is 66794-29-4.
What are the molecular formula and molecular weight of 1-iodo-1-butyne?
1-iodo-1-butyne has molecular formula C4H5I and molecular weight 179.987 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-iodo-1-butyne (CAS 66794-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-663-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.