Diethyl malonate
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Diethyl malonate, also known as DEM, is the diethyl ester of malonic acid. It occurs naturally in grapes and strawberries as a colourless liquid with an apple-like odour, and is used in perfumes. It is also used to synthesize other compounds such as barbiturates, artificial flavourings, vitamin B1, and vitamin B6.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Diethyl malonate[1] | |
Preferred IUPAC name
Diethyl propanedioate | |
Other names
Diethyl malonate | |
Identifiers | |
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3D model (JSmol) |
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Abbreviations | DEM |
774687 | |
ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.003.006 |
EC Number |
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MeSH | Diethyl+malonate |
PubChem CID |
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RTECS number |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C7H12O4 | |
Molar mass | 160.17 g/mol |
Appearance | colourless liquid |
Density | 1.05 g/cm3, liquid |
Melting point | −50 °C (−58 °F; 223 K) |
Boiling point | 199 °C (390 °F; 472 K) |
negligible | |
Acidity (pKa) | 14 16.37 (DMSO)[2] |
-92.6·10−6 cm3/mol | |
Structure | |
2.54 D (liquid)[3] | |
Thermochemistry | |
Heat capacity (C) |
285.0 J·mol−1·K−1[3] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Harmful (X), Flammable (F) |
Flash point | 93 °C (199 °F; 366 K)[3] |
Safety data sheet (SDS) | Oxford University MSDS |
Related compounds | |
Related compounds |
Dimethyl malonate Malonic acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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