Ethyl Maltol
Aroma Chemical Base Note CAS 4940-11-8
A sweet sugary note of caramel and cotton candy with a ripe strawberry jam facet. Powerful and tenacious, it is a key gourmand sweetener with toffee and vanilla nuances.
Odor profile
| Note | Base Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Sweet |
| Descriptor 3 | Caramel |
| Odor Impact1 | 2500 |
| Tenacity1 | 200 h |
| Tenacity2 | 360 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 | 4940-11-8 |
| INCI Name | Ethyl hydroxypyrone |
| Category | Aroma Chemical |
| Formula | C7H8O3 |
| Mol. Weight | 140.14 |
| IUPAC Name | 2-ethyl-3-hydroxypyran-4-one |
| InChIKey | YIKYNHJUKRTCJL-UHFFFAOYSA-N |
Synonyms
2-Ethyl-3-hydroxy-4H-pyran-4-one, EM-1 crystal grain, EM-400 crystal grain, ethyl maltol FCC, ethyl maltol synthetic, ethyl maltol USP/NF, 2-ethyl pyromeconic acid, 2-ethyl-3-hydroxy-4-pyrone, 2-ethyl-3-hydroxy-pyran-4-one, 2-ethyl-3-hydroxypyran-4-one, ethylmaltol, 3-hydroxy-2-ethyl-1,4-pyrone, 3-hydroxy-2-ethyl-4-pyrone, 3-hydroxy-2-ethyl-4H-pyran-4-one, 3-hydroxy-2-ethyl-gamma-pyrone, 4H-pyran-4-one, 2-ethyl-3-hydroxy-
Physical and chemical data
| Boiling Point | 289.5 °C |
| Melting Point | 90.5 °C |
| Flash Point | 100 °C |
| Vapor Pressure | 0.000220 mmHg @ 25.00 C. (est) |
| LogP | 0.8 |
| Solubility | Sparingly soluble in water, soluble in propylene glycol |
| Appearance | Solid |
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.