C6H12O
100.16 g/mol
Flavor & FragranceDanger
2-Ethylbutanal
CAS97-96-1EC202-623-5
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Fragrance ingredient
2-Ethylbutanal is a clear, colorless liquid that is less dense than water and insoluble in water. Its vapors are heavier than air, and it is primarily used as a fragrance ingredient.
Fragrance ingredient
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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Safety Reference
Danger
H225Highly flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 2-Ethylbutanal (CAS 97-96-1) is 2912.19.
HS code (international, 6-digit)
2912.19
EU CN code (8-digit)
2912 19 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-ethylbutanal
InChIKey
UNNGUFMVYQJGTD-UHFFFAOYSA-N
SMILES
CCC(CC)C=O
Synonyms (17)
- 2-ETHYLBUTYRALDEHYDE
- 2-Ethylbutanal
- 2-Ethylbutyraldehyde, 8CI
- 2-Ethylbutyric aldehyde
- 2-Ethylbutyric aledhyde
- 3-Formylpentane
- Aldehyde 2-ethylbutyrique
- Butanal, 2-ethyl-
- Butyraldehyde, 2-ethyl-
- Diethylacetaldehyde
- Ethyl butyraldehyde
- FEMA 2426
- alpha-Ethylbutanal
- alpha-Ethylbutyraldehyde
- racemic 2-ethylbutanal
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