Diethyl 2-(chloromethylene)malonate
Also known as: 2-CHLOROMETHYLENE-MALONIC ACID DIETHYL ESTER, Diethyl 2-(chloromethylene)malonate, Diethyl (chloromethylene)malonate, Diethyl 2-(chloromethylene)propanedioate, Diethyl 2-(chloromethylidene)propanedioate, Ethyl 2-(chloromethylidene)propanedioate, Propanedioic acid, 2-(chloromethylene)-, 1,3-diethyl ester, 2-(Chloromethylene)malonic acid diethyl ester, 2-(Chloromethylene)-Propanedioic Acid 1,3-Diethyl Ester, Chloromethylidenemalonic acid diethyl ester, Diethyl chloromethylenemalonate, 2-Chlormethylen-malonsäure-diethylester, 2-クロロメチレンマロン酸ジエチルエステル
Diethyl 2-(chloromethylene)malonate (CAS 28783-51-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11ClO4 and a molecular weight of 206.62400 g/mol. Key properties include a boiling point of 210.5ºC at 760mmHg, a density of 1.198g/cm3 and a flash point of 74ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28783-51-9
- Jingsj CID
- J-1511430-4
- Molecular Formula
- C8H11ClO4
- Molecular Weight
- 206.62400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 210.5ºC at 760mmHg |
|---|---|
| Density | 1.198g/cm3 |
| Flash Point | 74ºC |
| Exact Mass | 206.03500 |
| PSA | 52.60000 |
| LogP | 1.23530 |
| Vapor Pressure | 0.192mmHg at 25°C |
| Refractive Index | 1.462 |
Customs & Trade Information
| HS Code | 2917190090 |
|---|---|
| Summary | 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diethyl 2-(chloromethylene)malonate?
The CAS number of Diethyl 2-(chloromethylene)malonate is 28783-51-9.
What are the molecular formula and molecular weight of Diethyl 2-(chloromethylene)malonate?
Diethyl 2-(chloromethylene)malonate has molecular formula C8H11ClO4 and molecular weight 206.62400 g/mol.
What are the upstream and downstream products of Diethyl 2-(chloromethylene)malonate?
For Diethyl 2-(chloromethylene)malonate, Upstream Products: Diethyl 2-formylmalonate; Downstream Products: Ethyl 1H-pyrazole-3-carboxylate, Diethyl ethoxymethylenemalonate, Diethyl 4-methoxybenzalmalonate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl 2-(chloromethylene)malonate (CAS 28783-51-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511430-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.