Malonyl chloride
Also known as: Malonyl dichloride, Propanedioyl dichloride, Malonic acid dichloride, Malonoyl chloride, Prodipionyl chloride, Prodipionyl, Malonic acid chloride, Propanedioyl chloride, Malonate dichloride, Dichlorure de propanedioyle, Propandioyldichlorid, Propane-1,3-dioyl dichloride
Malonyl chloride (CAS 1663-67-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H2Cl2O2 and a molecular weight of 140.953 g/mol. Key properties include a melting point of 53-55ºC, a boiling point of 154.6±23.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 47.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1663-67-8
- Jingsj CID
- J-24992-6
- Molecular Formula
- C3H2Cl2O2
- Molecular Weight
- 140.953 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 53-55ºC |
|---|---|
| Boiling Point | 154.6±23.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 47.2±0.0 °C |
| Exact Mass | 139.943192 |
| PSA | 34.14000 |
| LogP | 0.84 |
| Vapor Pressure | 3.2±0.3 mmHg at 25°C |
| Refractive Index | 1.453 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
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 Malonyl chloride?
The CAS number of Malonyl chloride is 1663-67-8.
What are the molecular formula and molecular weight of Malonyl chloride?
Malonyl chloride has molecular formula C3H2Cl2O2 and molecular weight 140.953 g/mol.
Is Malonyl chloride hazardous?
Malonyl chloride has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Malonyl chloride?
For Malonyl chloride, Upstream Products: Malonic acid, carbon suboxide, Dichloromethane; Downstream Products: 1,3-Indandione, Elesclomol, 1,3-Dicyclohexylbarbituric acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Malonyl chloride (CAS 1663-67-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24992-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.