Ethyl hydrogen malonate
Also known as: Ethoxycarbonylacetic acid, 3-Ethoxy-3-oxopropanoic acid, Malonic acid monoethyl ester, Monoethyl malonate, Monoethyl hydrogen malonate, Propanedioic acid, monoethyl ester
Ethyl hydrogen malonate (CAS 1071-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O4 and a molecular weight of 132.115 g/mol. Key properties include a boiling point of 237.2±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 100.8±16.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1071-46-1
- Jingsj CID
- J-1369344-2
- Molecular Formula
- C5H8O4
- Molecular Weight
- 132.115 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 237.2±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 100.8±16.1 °C |
| Exact Mass | 132.042252 |
| PSA | 63.60000 |
| LogP | 0.35 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.436 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyl hydrogen malonate?
The CAS number of Ethyl hydrogen malonate is 1071-46-1.
What are the molecular formula and molecular weight of Ethyl hydrogen malonate?
Ethyl hydrogen malonate has molecular formula C5H8O4 and molecular weight 132.115 g/mol.
Is Ethyl hydrogen malonate hazardous?
Ethyl hydrogen malonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl hydrogen malonate?
For Ethyl hydrogen malonate, Downstream Products: Ethyl 3-(o-tolyl)propanoate, tert-Butyl ethyl malonate, Ethyl malonyl chloride.
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 hydrogen malonate (CAS 1071-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369344-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.