Diethyl malonate
Synonym(s):Diethyl malonate;Ethyl malonate, Malonic acid diethyl ester;Malonic acid diethyl ester
- CAS NO.：105-53-3
- Empirical Formula: C7H12O4
- Molecular Weight: 160.17
- MDL number: MFCD00009195
- EINECS: 203-305-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-03-26 17:16:27
What is Diethyl malonate?
Description
Diethyl malonate is a diester derivative of malonic acid, a dicarboxylic acid with two carboxyl groups (-COO-) separated by one methylene group (-CH2-). Diethyl malonate is formed by the replacement of the hydroxyl groups (-OH) of malonic acid with ethoxy groups (-OCH2CH3). The hydrogen atoms on the methylene carbon between the two carboxyl groups make this compound acidic. Because of its unique structure, diethyl malonate is reactive and functions as a reagent for organic synthesis and to make products such as barbiturates, pigments, and agrochemicals. Volatile esters are known to have fruity scents and are often used as fragrances and flavorings. Diethyl malonate is a volatile diester that occurs naturally in fruits such as grapes, strawberries, guava, melon, pineapple, and blackberries.
The Uses of Diethyl malonate
Diethyl Malonate occurs naturally in grapes and strawberries. It is used in the preparation of barbiturates, artificial flavourings, vitamin B1, and vitamin B6 as well as in perfumes.
Properties of Diethyl malonate
| Melting point: | -51--50 °C (lit.) |
| Boiling point: | 199 °C (lit.) |
| Density | 1.055 g/mL at 25 °C (lit.) |
| Flash point: | 212 °F |
| storage temp. | Store below +30°C. |
| solubility | 20.8g/l (External MSDS) |
| form | Liquid |
| appearance | Colorless liquid |
| color | colourless liquid |
| Odor | Sweet ester odor |
| Water Solubility | Miscible with ethyl alcohol, ether, chloroform and benzene. Slightly miscible with water. |
Safety information for Diethyl malonate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for Diethyl malonate
| InChIKey | IYXGSMUGOJNHAZ-UHFFFAOYSA-N |
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