Malonaldehyde
Also known as: Malondialdehyde, Malonic dialdehyde, Malonic aldehyde, Propanedial, 1,3-Propanedial, 1,3-Propanedialdehyde, Malonyl dialdehyde, Malonyldialdehyde, 3-Oxopropanal
Malonaldehyde (CAS 542-78-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H4O2 and a molecular weight of 72.06270 g/mol. Key properties include a boiling point of 108.3ºC at 760mmHg, a density of 0.991g/cm3 and a flash point of 28.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 542-78-9
- Jingsj CID
- J-1357710-1
- Molecular Formula
- C3H4O2
- Molecular Weight
- 72.06270 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 108.3ºC at 760mmHg |
|---|---|
| Density | 0.991g/cm3 |
| Flash Point | 28.9ºC |
| Exact Mass | 72.02110 |
| PSA | 34.14000 |
| Refractive Index | 1.366 |
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Malonaldehyde?
The CAS number of Malonaldehyde is 542-78-9.
What are the molecular formula and molecular weight of Malonaldehyde?
Malonaldehyde has molecular formula C3H4O2 and molecular weight 72.06270 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Malonaldehyde (CAS 542-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357710-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.