Ethyl 2-chloro-3-oxopropanoate
Also known as: Ethyl (chloroformyl)acetate, Ethyl 2-chloro-3-oxopropionate, Ethyl 2-chloro-2-formylethanoate, Ethyl α-Formyl-α-chloroacetate, 2-Chloro-3-oxopropanoic acid ethyl ester, 2-Chloro-3-oxopropionic acid ethyl ester, Propanoic acid, 2-chloro-3-oxo-, ethyl ester, Ethyl 3-chloro-3-oxopropanoate, Ethyl chloromalonaldehydate, Ethyl 2-(chlorocarbonyl)acetate, ethyl 2-formyl-2-chloro-acetate, ethyl formylchloroacetate
Ethyl 2-chloro-3-oxopropanoate (CAS 33142-21-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7ClO3 and a molecular weight of 150.560 g/mol. Key properties include a boiling point of 172.5±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 68.2±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33142-21-1
- Jingsj CID
- J-1162479-6
- Molecular Formula
- C5H7ClO3
- Molecular Weight
- 150.560 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 172.5±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 68.2±22.2 °C |
| Exact Mass | 150.008377 |
| PSA | 43.37000 |
| LogP | 1.02 |
| Vapor Pressure | 1.3±0.3 mmHg at 25°C |
| Refractive Index | 1.431 |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl 2-chloro-3-oxopropanoate?
The CAS number of Ethyl 2-chloro-3-oxopropanoate is 33142-21-1.
What are the molecular formula and molecular weight of Ethyl 2-chloro-3-oxopropanoate?
Ethyl 2-chloro-3-oxopropanoate has molecular formula C5H7ClO3 and molecular weight 150.560 g/mol.
What are the upstream and downstream products of Ethyl 2-chloro-3-oxopropanoate?
For Ethyl 2-chloro-3-oxopropanoate, Upstream Products: ethyl chloroacetate, Ethyl formate, Ethanol; Downstream Products: Ethyl thiazole-5-carboxylate, Ethyl 2-aminothiazole-5-carboxylate, Ethyl 6-bromoimidazo[1,2-a]pyridine-3-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 2-chloro-3-oxopropanoate (CAS 33142-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1162479-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.