1-Chlorobutane-2,3-dione
1-氯-2,3-丁二酮
Also known as: 1-Chlor-butan-2,3-dion, 1-chloro-2,3-butanedione, 1-chloro-2,3-dioxo-butane, 1-chloro-butane-2,3-dione, 2,3-Butanedione, 1-chloro-, 2,3-Butanedione, 1-chloro- (8CI,9CI), Chlordiacetyl, Lactic Acid Impurity 140
1-Chlorobutane-2,3-dione (CAS 5559-62-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5ClO2 and a molecular weight of 120.53400 g/mol. It is also known as 1-Chlor-butan-2,3-dion, 1-chloro-2,3-butanedione and 1-chloro-2,3-dioxo-butane. Key properties include a boiling point of 129.9ºC at 760 mmHg, a density of 1.203g/cm3 and a flash point of 42ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5559-62-6
- Jingsj CID
- J-853578-6
- Molecular Formula
- C4H5ClO2
- Chinese Name
- 1-氯-2,3-丁二酮
- Molecular Weight
- 120.53400 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 129.9ºC at 760 mmHg |
|---|---|
| Density | 1.203g/cm3 |
| Flash Point | 42ºC |
Frequently Asked Questions
What is the CAS number of 1-Chlorobutane-2,3-dione?
The CAS number of 1-Chlorobutane-2,3-dione is 5559-62-6.
What are the molecular formula and molecular weight of 1-Chlorobutane-2,3-dione?
1-Chlorobutane-2,3-dione has molecular formula C4H5ClO2 and molecular weight 120.53400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Chlorobutane-2,3-dione (CAS 5559-62-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-853578-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.