Description
Malonic acid CAS 141-82-2 Quick Details
| Chemical Name: | Malonic acid |
| Other Name: | Methanedicarboxylic acid; Carrot acid; Malic acid; Betaine acid |
| CAS: | 141-82-2 |
| EINECS: | 205-503-0 |
| Type: | Pharmaceutical raw materials; Organic raw materials; Plant extracts; Pharmaceutical, pesticide and dye intermediates |
| Molecular Formula: | C3H4O4 |
| Molecular Weight: | 104.06 |
Typical Properties
| Melting point | 132-135 °C (dec.) (lit.) |
| Boiling point | 140℃（decomposition） |
| density | 1.619 g/cm3 at 25 °C |
| vapor pressure | 0-0.2Pa at 25℃ |
| refractive index | 1.4780 |
| Fp | 157°C |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | 1 M NaOH: soluble100mg/mL, clear to slightly hazy, colorless to faintly yellow |
| form | Liquid |
| pka | 2.83(at 25℃) |
| color | White |
| PH | 3.17(1 mM solution);2.5(10 mM solution);1.94(100 mM solution) |
| Water Solubility | 1400 g/L (20 ºC) |
Uses of Malonic Acid
Malonic acid serves primarily as a pharmaceutical intermediate and finds applications in various daily life products. It is also used in spices, adhesives, resin additives, and electroplating polishing agents.
Pharmaceutical Applications
Malonic acid and its esters are vital for synthesizing barbiturates, vitamin B1, and vitamin B2. These compounds play crucial roles as pharmaceutical intermediates. Additionally, they serve as intermediates for plant growth regulators, such as indole esters, making them important in agricultural applications.
Chemical Industry Applications
In the chemical industry, malonic acid acts as a competitive aluminum surface treatment agent. When heated, it decomposes to produce acetic acid and water. The acetic acid then reacts with aluminum, yielding aluminum acetate, hydrogen, and water. This process minimizes environmental pollution and offers significant advantages over traditional acidic treatment agents, like formic acid.
Food Processing Applications
In food processing, malonic acid and its esters are valuable food additives. They enhance the flavor of various products, contributing to improved taste and quality.
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