Ethyl maltol

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Ethyl maltol
IUPAC name	2-Ethyl-3-hydroxy-4-pyranone
Other names	2-Ethyl pyromeconic acid
Identifiers
CAS number
PubChem	21059
SMILES	CCC1=C(C(=O)C=CO1)O
Properties
Molecular formula	C7H8O3
Molar mass	140.13662
Appearance	White crystalline powder
Melting point	89-93 °C
Boiling point	161 °C
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Ethyl maltol, 2-ethyl-3-hydroxy-4-pyrone, 2-ethyl pyromeconic acid, or C₇H₈O₃ is an analog of maltol, where the methyl group on maltol is substituted with an ethyl group. It is a stable white crystalline powder at room temperature and easily dissolves in many polar liquids. Ethyl maltol has a melting point of between 89 and 93 °C, and a boiling point of 161 °C.

This chemical has a sweet odor that can be described as caramalized sugar and cooked fruit. It is an important flavourant for the food, beverage, and fragrance industry. Ethyl maltol is non-toxic, highly pleasant to human sense of smell, and easily detected by the human, with as little as 10,000 part per billion perceivable in air.

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