Diethyl malonate
Also known as: Malonic acid diethyl ester, Ethyl malonate, Malonic ester, Propanedioic acid, diethyl ester, Diethyl propanedioate, UNII-53A58PA183
Diethyl malonate (CAS 105-53-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O4 and a molecular weight of 160.168 g/mol. Key properties include a melting point of -50 °C, a boiling point of 199.3±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 100.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 105-53-3
- Jingsj CID
- J-5410-4
- Molecular Formula
- C7H12O4
- Molecular Weight
- 160.168 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -50 °C |
|---|---|
| Boiling Point | 199.3±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 100.0±0.0 °C |
| Exact Mass | 160.073563 |
| PSA | 52.60000 |
| LogP | 0.70 |
| Additional Property | 5.52 (vs air) |
| Vapor Pressure | 0.3±0.3 mmHg at 25°C |
| Refractive Index | 1.418 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
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 malonate?
The CAS number of Diethyl malonate is 105-53-3.
What are the molecular formula and molecular weight of Diethyl malonate?
Diethyl malonate has molecular formula C7H12O4 and molecular weight 160.168 g/mol.
Is Diethyl malonate hazardous?
Diethyl malonate has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of Diethyl malonate?
For Diethyl malonate, Upstream Products: Diethyl bromomalonate, ethyl chloroacetate, Ethyl acetate; Downstream Products: Dipropyl Malonate.
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 malonate (CAS 105-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5410-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.