Malonic acid
Also known as: Propanedioic acid, Methanedicarboxylic acid, Carboxyacetic acid, 1,3-Propanedioic acid, Malonate, Methanadicarboxylic acid, Sodium Valproate Impurity 24, Valproic Acid Impurity 2 (Malonic Acid)
Malonic acid (CAS 141-82-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H4O4 and a molecular weight of 104.062 g/mol. Key properties include a melting point of 132-135 °C (dec.)(lit.), a boiling point of 386.8±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 201.9±19.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 141-82-2
- Jingsj CID
- J-1330444-9
- Molecular Formula
- C3H4O4
- Molecular Weight
- 104.062 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 132-135 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 386.8±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 201.9±19.7 °C |
| Exact Mass | 104.010956 |
| PSA | 74.60000 |
| LogP | -0.56 |
| Vapor Pressure | 0.0±1.9 mmHg at 25°C |
| Refractive Index | 1.479 |
| Additional Property | 1400 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious 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 Malonic acid?
The CAS number of Malonic acid is 141-82-2.
What are the molecular formula and molecular weight of Malonic acid?
Malonic acid has molecular formula C3H4O4 and molecular weight 104.062 g/mol.
Is Malonic acid hazardous?
Malonic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
What are the upstream and downstream products of Malonic acid?
For Malonic acid, Upstream Products: 3-Hydroxypropionic acid, Dimethyl malonate, Diethyl malonate; Downstream Products: Dipropyl Malonate, 3-[3-(4-bromophenyl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enoic acid, 3-(3-(4-Fluorophenyl)-1-phenyl-1H-pyrazol-4-yl)acrylic 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. "Malonic acid (CAS 141-82-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1330444-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.