Diisopropyl malonate is primarily used in the synthesis of the fungicide carbendazim and serves as an intermediate in pharmaceutical and pesticide production. It is prepared from sodium malonate, isopropyl alcohol, and sulfuric acid. After esterification in a benzene solvent, it undergoes purification through steps including water washing, alkali washing, and solvent-removal distillation.
| Chemical Name | Diisopropyl Malonate |
| Chemical Formula | C9H16O4 |
| CAS | 13195-64-7 |
| Appearance | Colorless liquid |
| Melting point | -51°C |
| Boiling point | 93-95ºC |
| Density（ρ20）, g/cm³ | 0.991g/mL（25℃） |
| Molecular Weight | 188.22 |
| Solubility | Easily soluble in organic solvents, poorly soluble in water |
1. Diisopropyl malonate is an intermediate for the fungicide rice blast fungicide.
2. Used as an intermediate for pharmaceuticals and pesticides.
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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