Methyl 2-chloro-3-oxopropanoate
2-氯-3-氧代丙酸甲酯
Also known as: methyl 2-chloro-3-oxopropanoate, methyl 2-chloro-3-oxopropionate, 2-chloro-3-oxo-propionic acid methyl ester, methyl chloro(formyl)acetate, methyl formylchloroacetate
Methyl 2-chloro-3-oxopropanoate (CAS 20656-61-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4Cl2O2 and a molecular weight of 154.979 g/mol. It is also known as methyl 2-chloro-3-oxopropanoate, methyl 2-chloro-3-oxopropionate and 2-chloro-3-oxo-propionic acid methyl ester. Key properties include a boiling point of 161.0±23.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 51.4±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20656-61-5
- Jingsj CID
- J-1403710-6
- Molecular Formula
- C4H4Cl2O2
- Chinese Name
- 2-氯-3-氧代丙酸甲酯
- Molecular Weight
- 154.979 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 161.0±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 51.4±21.2 °C |
Frequently Asked Questions
What is the CAS number of Methyl 2-chloro-3-oxopropanoate?
The CAS number of Methyl 2-chloro-3-oxopropanoate is 20656-61-5.
What are the molecular formula and molecular weight of Methyl 2-chloro-3-oxopropanoate?
Methyl 2-chloro-3-oxopropanoate has molecular formula C4H4Cl2O2 and molecular weight 154.979 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 2-chloro-3-oxopropanoate (CAS 20656-61-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403710-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.