Diethyl malonate is an important organic synthesis intermediate. It is a colorless liquid with a sweet, ether-like odor, widely used in the preparation of pharmaceuticals, fragrances, and dyes.
| Chemical Name | Diethyl Malonate |
| Chemical Formula | C7H12O4 |
| CAS | 105-53-3 |
| Appearance | Colorless liquid |
| Melting point | -50℃ |
| Boiling point | 199.3℃ |
| Density（ρ20）, g/cm³ | 1.06 g/cm³ |
| Molecular Weight | 160.1678 |
| Solubility | Slightly soluble in water, readily soluble in organic solvents such as ethanol and diethyl ether. |
Used as an intermediate for the pharmaceuticals sulfamethoxazole and barbiturates, and also as an intermediate for fragrances and dyes.
1. Store in a cool, well-ventilated warehouse. Keep away from ignition sources and heat. Store separately from oxidizers, strong alkalis, and reducing agents; do not store together. Equip with appropriate types and quantities of firefighting equipment. The storage area should be equipped with emergency leak response equipment and suitable containment materials.
2. This product is packaged in iron drums or galvanized iron drums, each containing 200 kg. Store and transport in accordance with regulations for flammable chemicals.
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