C7H8O3
140.14 g/mol
Flavor & FragranceWarning
Ethyl maltol
CAS4940-11-8EC225-582-5
Category
Flavor & Fragrance
Compound Class
Heterocycle
Primary Use
Flavor and fragrance enhancer
Ethyl maltol is a flavor and fragrance enhancer commonly used to impart a sweet, caramel-like aroma and taste. It is a crystalline compound that can exist in multiple polymorphic forms, which are characterized by different crystal structures.
Flavor and fragrance enhancer in foods and beveragesComponent in personal care products for scent enhancementIngredient in auto products and household items
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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flavor and fragrance ingredient
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flavor and fragrance ingredient
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Flavor and fragrance ingredient
ReferenceSame Category
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flavoring and fragrance agent
Referencesame scaffold
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Flavoring agent for food
Referencesame scaffold
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food additive and cosmetic ingredient
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cosmetic ingredient
Referencesame scaffold
2-(1,1,1-trifluoro-2-methylpropan-2-yl)-4H-pyran-4-one
CAS1357476-64-2
research compound
Safety Reference
Warning
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for Ethyl maltol (CAS 4940-11-8) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-ethyl-3-hydroxypyran-4-one
InChIKey
YIKYNHJUKRTCJL-UHFFFAOYSA-N
SMILES
CCC1=C(C(=O)C=CO1)O
Synonyms (26)
- E637
- Ethyl maltol, United States Pharmacopeia (USP)
- 2-Ethyl-3-hydroxy-4-pyrone
- 2-Ethylpyromeconic acid
- 2-ethyl-3-hydroxypyran-4-one
- 3-Hydroxy-2-ethyl-1,4-pyrone
- 3-Hydroxy-2-ethyl-4-pyrone
- ETHYL MALTOL [MART.]
- Ethyl Hydroxypyrone
- Ethyl maltol
- Ethyl maltol (Standard)
- FEMA 3487
- INS NO.637
- Maltol-ethyl
- Veltol plus
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