3-butyn-1-yl chloroformate
3-丁炔-1-基氯甲酸酯
Also known as: carbonochloridic acid, 3-butyn-1-yl ester, but-3-yn-1-yl chloroformate, but-3-ynyl chloroformate, 3-butynyl chloroformate, 4-butynyl chloroformate, but-3-ynyl-1-oxycarbonyl chloride, (but-3-yn-1-yloxy)(chloro)methanone
3-butyn-1-yl chloroformate (CAS 190774-49-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5ClO2 and a molecular weight of 132.54500 g/mol. It is also known as carbonochloridic acid, 3-butyn-1-yl ester, but-3-yn-1-yl chloroformate and but-3-ynyl chloroformate. Key properties include a boiling point of 149ºC(lit.), a density of 1.166 g/mL at 25ºC(lit.) and a flash point of 135 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 190774-49-3
- Jingsj CID
- J-30296-0
- Molecular Formula
- C5H5ClO2
- Chinese Name
- 3-丁炔-1-基氯甲酸酯
- Molecular Weight
- 132.54500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 149ºC(lit.) |
|---|---|
| Density | 1.166 g/mL at 25ºC(lit.) |
| Flash Point | 135 °F |
Frequently Asked Questions
What is the CAS number of 3-butyn-1-yl chloroformate?
The CAS number of 3-butyn-1-yl chloroformate is 190774-49-3.
What are the molecular formula and molecular weight of 3-butyn-1-yl chloroformate?
3-butyn-1-yl chloroformate has molecular formula C5H5ClO2 and molecular weight 132.54500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-butyn-1-yl chloroformate (CAS 190774-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30296-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.