C18H36O
268.5 g/mol
Flavor & FragranceWarning
Stearaldehyde
CAS638-66-4EC211-346-9
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavor and fragrance ingredient
Stearaldehyde is a long-chain aldehyde used as a flavor and fragrance ingredient. It is reported in natural sources such as Plumeria rubra and Daphne odora.
Flavor and 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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Related Compounds
StrongStructure SimilarSimilarity 1.00
Hexadecanal
CAS629-80-1
Flavor and fragrance ingredient
StrongStructure SimilarSimilarity 1.00
Heptadecanal
CAS629-90-3
flavor and fragrance ingredient
SimilarStructure SimilarSimilarity 0.76
Pentanal
CAS110-62-3
Flavoring ingredient for foods and beverages
ReferenceSame Category
Ethyl acetoacetate ethyleneglycol ketal
CAS6413-10-1
Fragrance and flavor ingredient
ReferenceSame Category
4-isopropylacetophenone
CAS645-13-6
flavor and fragrance intermediate
ReferenceSame Category
4-propylphenol
CAS645-56-7
Flavoring agent
ReferenceSame Category
(-)-carvone
CAS6485-40-1
Flavor and fragrance ingredient
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Stearaldehyde (CAS 638-66-4) 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
octadecanal
InChIKey
FWWQKRXKHIRPJY-UHFFFAOYSA-N
SMILES
CCCCCCCCCCCCCCCCCC=O
Synonyms (7)
- 1-octadecanal
- Octadecanal (9CI)
- Octadecanaldehyde
- Octadecyl aldehyde
- Stearaldehyde
- Stearyl aldehyde
- n-Octadecanal
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