Diethyl 2-propynylmalonate
Also known as: Propargylmalonic Acid Diethyl Ester, Diethyl propargylmalonate, 2-Propynylmalonic Acid Diethyl Ester, 2-propargylmalonic acid diethyl ester, MALONIC ACID,2-PROPYNYL-,DIETHYL ESTER, USAF KF-9, diethyl 2-prop-2-ynylpropanedioate, Diethyl 2-(prop-2-yn-1-yl)malonate
Diethyl 2-propynylmalonate (CAS 17920-23-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H14O4 and a molecular weight of 198.21600 g/mol. Key properties include a boiling point of 259.7ºC at 760mmHg, a density of 1.073g/cm3 and a flash point of 121 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17920-23-9
- Jingsj CID
- J-1412789-0
- Molecular Formula
- C10H14O4
- Molecular Weight
- 198.21600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 259.7ºC at 760mmHg |
|---|---|
| Density | 1.073g/cm3 |
| Flash Point | 121 °C |
| Exact Mass | 198.08900 |
| PSA | 52.60000 |
| LogP | 0.75210 |
| Vapor Pressure | 0.0128mmHg at 25°C |
| Refractive Index | 1.45 |
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-propynylmalonate?
The CAS number of Diethyl 2-propynylmalonate is 17920-23-9.
What are the molecular formula and molecular weight of Diethyl 2-propynylmalonate?
Diethyl 2-propynylmalonate has molecular formula C10H14O4 and molecular weight 198.21600 g/mol.
What are the upstream and downstream products of Diethyl 2-propynylmalonate?
For Diethyl 2-propynylmalonate, Upstream Products: 3-Chloropropyne, Diethyl malonate, 3-Bromopropyne; Downstream Products: 2-(2-Propyn-1-yl)octanoic acid, Diethyl 2-allyl-2-(prop-2-ynyl)malonate, 4-Pentynoic 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. "Diethyl 2-propynylmalonate (CAS 17920-23-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412789-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.