C11H22O
170.29 g/mol
Flavor & FragranceWarning
Undecyl aldehyde
CAS112-44-7EC203-972-6
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Fragrance and flavoring agent
This compound, also known as undecyl aldehyde, is an organic compound and an eleven-carbon aldehyde. It is a colorless, oily liquid that is used as a component in perfumes and flavorings.
fragrance ingredientflavoring agent
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
Lauryl aldehyde
CAS112-54-9
Fragrance and flavoring agent
StrongStructure SimilarSimilarity 1.00
Caprylaldehyde
CAS124-13-0
Perfumery and flavoring ingredient
StrongStructure SimilarSimilarity 1.00
Nonanal
CAS124-19-6
Flavor and fragrance ingredient
StrongStructure SimilarSimilarity 1.00
Tetradecanal
CAS124-25-4
flavor and fragrance ingredient
ApplicationSame Use
(±)-linalyl acetate
CAS115-95-7
Fragrance and flavoring agent
ApplicationSame Use
Piperonal
CAS120-57-0
Fragrance and flavoring agent
ReferenceSame Category
10-undecenal
CAS112-45-8
Fragrance ingredient in consumer products
ReferenceSame Category
Lauryl acetate
CAS112-66-3
perfume additive
Safety Reference
Warning
H315Causes skin irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Undecyl aldehyde (CAS 112-44-7) 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
undecanal
InChIKey
KMPQYAYAQWNLME-UHFFFAOYSA-N
SMILES
CCCCCCCCCCC=O
Synonyms (21)
- 1-Undecanal
- 1e02
- 1gt4
- Aldehyde C-11
- Aldehyde C-11, undecylic
- C-11 aldehyde, undecylic
- C11 aldehyde
- FEMA 3092
- Hendecanal
- Hendecanaldehyde
- N-Indecyl aldehyde
- Undecanal
- Undecanal (natural)
- Undecanaldehyde
- Undecanone, alpha-
- Undecyl aldehyde
- Undecylic aldehyde
- n-Undecanal
- n-Undecyl aldehyde
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