Malonic Acid
Propanedioic Acid, Dicarboxylic Acid C3.
- CAS
- 141-82-2
- EC
- 205-503-0
- Sectors
- Pharma & Healthcare, Coatings, Adhesives, Sealants & Elastomers
Malonic Acid (CAS 141-82-2) is a crystalline, white dicarboxylic acid of Technical Grade, typically available at 99% purity, that acts as a building block in organic synthesis and as an intermediate for pharmaceutical precursors and specialty chemicals. It serves as a vital building block in organic synthesis, known for its acidic properties and reactivity in condensation reactions. This Technical Grade acid is highly soluble in water and polar solvents, making it ideal for specialized chemical manufacturing. In industrial applications, it is valued for its ability to participate in the Knoevenagel condensation . Its stable shelf life and consistent white crystalline appearance ensure reliability in complex multi-step synthesis processes.
Typical Properties
| Molecular formula | C3H4O4 |
|---|---|
| Molecular weight | 104.06 g/mol |
| Appearance | Crystalline |
| Form | Liquid |
| Color | White |
| Melting point | 135 °C (decomp) |
| Boiling point | 135 °C |
| Density | 1.6 g/cm³ |
| Water solubility | 1400 g/L (20 °C) |
| Flash point | 157°C |
| pH | 3.17(1 mM solution);2.5(10 mM solution);1.94(100 mM solution) |
| GHS signal word | Danger · Corrosive, Irritant / harmful |
| HS code | 29171910 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Malonic Acid
Applications
- Pharmaceutical Synthesis: Used as a precursor in the production of barbiturates and various B-vitamins.
- Coating Additives: Employed in the formulation of cross-linking agents for thermosetting coatings in the construction sector.
- Flavor & Fragrance: Acts as an intermediate for the production of esters used in the food and perfume industries.
Safety & Risks
Classified as Acute Toxicity (Oral) Category 4 and Serious Eye Damage Category 1. Always wear nitrile gloves, safety goggles, and respiratory protection when handling the powder to avoid irritation.
Packaging
Standard 25 kg fiber drums or reinforced moisture-proof bags.