Sotolon
Aroma Chemical Top Note CAS 28664-35-9
An extremely sweet caramel note with maple and burnt sugar facets and a roasted coffee nuance. Powerful in the smallest traces, it is a core gourmand sweetener.
Odor profile
| Note | Top Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Caramel |
| Descriptor 3 | Sweet |
| Odor Impact1 | 200 |
| Tenacity1 | 8 h |
| Tenacity2 | 400 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 | 28664-35-9 |
| Category | Aroma Chemical |
| Formula | C6H8O3 |
| Mol. Weight | 128.13 |
| IUPAC Name | 4-hydroxy-2,3-dimethyl-2H-furan-5-one |
| InChIKey | UNYNVICDCJHOPO-UHFFFAOYSA-N |
Synonyms
4,5-Dimethyl-3-Hydroxy-2,5-Dihydrofuran-2-One, caramel furanone 3pc in pg, caramel furanone 0.03pc in DPG, caramel furanone 0.003pc in DPG, caramel furanone 3pc in triacetin, caramel lactone 10pc in pg, caramel lactone 3pc in pg, caramel lactone 3pc in triacetin, dimethyl oxyfurone 3pc in pg, 4,5- dimethyl-3-hydroxy-2,5-dihydrofuran-2-one 10pc in pg, 4,5- dimethyl-3-hydroxy-2,5-dihydrofuran-2-one 3pc in pg, 4,5- dimethyl-3-hydroxy-2(5H)-furanone 3pc in pg, 2,3- dimethyl-4-hydroxy-2,5-dihydrofuran-5-one 3pc in pg, fenugreek lactone 10pc in pg, fenugreek lactone 3pc in pg, fenugreek lactone 3pc in triacetin, hydroxy-3-methyl-2-penten-4-olide 3pc in pg, hydroxy-4,5-dimethyl furan-2(5H)-one 3pc in pg, hydroxy-4,5-dimethyl-5H-furan-2-one solution, sugar lactone 10pc in pg, sugar lactone 3pc in pg, sugar lactone 3pc in triacetin, Caramel furanone 0.03%, caramel furanone 100%, caramel furanone natural, caramel furanone pure, caramel furanone synthetic, caramel furanone, neat, caramel lactone, dimethyl oxyfurone, 4,5-dimethyl-3-hydroxy-2,5-dihydro-2-furanone, 4,5-dimethyl-3-hydroxy-2(5H)-furanone, 2,3-dimethyl-4-hydroxy-2,5-dihydrofuran-5-one, fenugreek lactone, 2-hydroxy-3-methyl-2-penten-4-olide, 2-hydroxy-3,4-dimethyl-2-buten-1,4-olide, 3-hydroxy-4,5-dimethyl furan-2(5H)-one, 3-hydroxy-4,5-dimethyl-2(5H)-furanone, 3-hydroxy-4,5-dimethyl-5-hydrofuran-2-one, 3-hydroxy-4,5-dimethyl-5H-furan-2-one
Physical and chemical data
| Boiling Point | 94 °C @ 2 mmHg |
| Melting Point | 27.0 °C |
| LogP | 0.4 |
| Solubility | alcohol; water, 2.228e+005 mg/L @ 25 C (est); alcoholic fine fragrance, good |
| Appearance | 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.