Diethyl Malonate
Aroma Chemical Top Note CAS 105-53-3
A sweet fruity green note centred on apple with a soft winey nuance. Light and pleasant, it adds a fresh fruity lift with pear and grape facets.
Odor profile
| Note | Top Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Green |
| Descriptor 3 | Apple |
| Odor Impact1 | 80 |
| Impact Level | Medium |
| Tenacity1 | 2 h |
| Tenacity2 | 4 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 105-53-3 |
| INCI Name | Diethyl malonate |
| Category | Aroma Chemical |
| Formula | C7H12O4 |
| Mol. Weight | 160.17 |
| IUPAC Name | diethyl propanedioate |
| InChIKey | IYXGSMUGOJNHAZ-UHFFFAOYSA-N |
Synonyms
Ethyl Propanedioate, Ethyl Methane dicarboxylate, Malonic Ester, Ethyl Malonate, Diethyl 1,3-propanedioate Malonic ester, Ethyl propane dioate, carbethoxyacetic ester, di ethyl malonate, dicarbethoxymethane, diethyl propane-1,3-dioate, diethyl propanedioate, diethyl-malonate FCC, ethyl methanedicarboxylate, malonic acid diethyl ester, methane dicarboxylic acid diethyl ester, propane dioic acid diethyl ester, propanedioic acid diethyl ester, propanedioic acid, diethyl ester
Physical and chemical data
| Boiling Point | 200.0 °C |
| Melting Point | -50.0 °C |
| Flash Point | 93.0 °C |
| Density | 1.0551 |
| Refractive Index | 1.4139 |
| Vapor Pressure | 0.26 [mmHg] |
| LogP | 1 |
| Solubility | In water, 20 g/L at 20 °C |
| Appearance | Liquid; Other Solid; Liquid |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.