Maltol
Aroma Chemical Base Note CAS 118-71-8
Sweet, caramellic with a cotton candy and burnt sugar character and a soft jammy, fruity facet. It adds a warm, gourmand sweetness and sensuality to floral, fruity and woody accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Sweet |
| Descriptor 3 | Caramel |
| Odor Impact1 | 4000 |
| Tenacity2 | 372 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Identification
| CAS Number | 118-71-8 |
| INCI Name | Maltol |
| Category | Aroma Chemical |
| Formula | C6H6O3 |
| Mol. Weight | 126.11 |
| IUPAC Name | 3-hydroxy-2-methylpyran-4-one |
| InChIKey | XPCTZQVDEJYUGT-UHFFFAOYSA-N |
Synonyms
3-hydroxy-2-methyl-4h-pyran-4-one; Larixinic Acid; 2-methyl Pyromeconic Acid; 3-hydroxy-2-methyl-4-pyrone; Corps praline; Palatone; 3-hydroxy-2-methyl-4-pyranone; 3-hydroxy-2-methyl-g-pyrone; 3-hydroxy-2-methyl-gamma-pyrone; 3-hydroxy-2-methyl-pyran-4-one; 3-hydroxy-2-methylpyran-4-one; 3-hydroxy-2-methylpyrone; larixic acid; nat. maltol; maltol (natural); maltol 5% pg; maltol FCC; maltol nat.; maltol natural; maltol NF grade; maltol synthetic; 2-methyl-3-hydroxy-4-pyrone; 2-methyl-3-hydroxypyrone; 2-methyl-3-oxidanyl-pyran-4-one; 2-methyl-3-oxy-gamma-pyrone; 2-methylpyromeconic acid; talmon; veltol; vetol; 3-Hydroxy-2-methyl-4-pyrone
Physical and chemical data
| Boiling Point | 284.7 °C |
| Melting Point | 163.9 °C |
| Flash Point | 115.56 °C |
| Vapor Pressure | 0.000507 [mmHg] |
| LogP | 0.4 |
| Solubility | In water, 10900 mg/L at 15 °C |
| Appearance | Maltol is a white crystalline powder with a fragrant caramel-butterscotch odor. pH (5% aqueous solution) 5.3. (NTP, 1992) |
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.