C8H8O3
152.15 g/mol
Flavor & FragranceWarning
Vanillin
CAS121-33-5EC204-465-2
Category
Flavor & Fragrance
Compound Class
Aromatic
Primary Use
Flavoring and fragrance agent
Vanillin is an organic compound that is a phenolic aldehyde, known for its characteristic vanilla flavor and aroma. It is widely used as a flavoring and fragrance agent in food, beverages, cosmetics, and perfumery.
Flavoring agentFragrance 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
SimilarStructure SimilarSimilarity 0.72
Isovanillin
CAS621-59-0
pharmaceutical intermediate
ApplicationSame Use
2-ethenyl-furan
CAS1487-18-9
Flavoring and fragrance agent
ApplicationSame Use
Phenylpropanol
CAS93-54-9
Flavoring and fragrance agent
ApplicationSame Use
Methyl (E/Z)-cinnamate
CAS103-26-4
Flavoring and fragrance agent
ApplicationSame Use
Ethyl propionate
CAS105-37-3
Flavoring and fragrance agent
ReferenceSame Category
Vanillic acid
CAS121-34-6
Flavoring agent and flavor intermediate
ReferenceSame Category
Methyl anisate
CAS121-98-2
flavoring agent
ReferenceSame Category
1-(2,3,8,8-tetramethyldecahydronaphthalen-2-yl)ethanol
CAS1214625-91-8
synthetic fragrance ingredient
Safety Reference
Warning
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects
H320Causes eye irritation
H402Harmful to aquatic life
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Vanillin (CAS 121-33-5) is 2912.41.
HS code (international, 6-digit)
2912.41
EU CN code (8-digit)
2912 41 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
4-hydroxy-3-methoxybenzaldehyde
InChIKey
MWOOGOJBHIARFG-UHFFFAOYSA-N
SMILES
COC1=C(C=CC(=C1)C=O)O
Synonyms (72)
- V55
- 4-Hydroxy-3-Methoxybenzaldehyde; Eugenol EP Impurity H
- Vanillin Melting Point Standard, United States Pharmacopeia (USP)
- Vanillin, European Pharmacopoeia (EP)
- Vanillin, United States Pharmacopeia (USP)
- 2-Methoxy-4-formylphenol
- 4-Formyl-2-methoxyphenol
- 4-Hydroxy-m-anisaldehyde
- Lioxin
- Methylprotcatechuic aldehyde
- Methylprotocatechuic aldehyde
- Oleoresin vanilla
- Protocatechualdehyde, methyl-
- Rhovanil
- VANILLIN [MART.]
- Vanilin
- Vanilla
- Vanilla oleoresin
- Vanillaldehyde
- Vanillic aldehyde
- Vanillin (NF)
- Vanillin (NIST) negative
- Vanillin (NIST) positive
- Vanillin (Rhovanil)
- Vanillin (Rhovea(R))
- Vanillin (Standard)
- Vanillin (natural)
- Vanillin - synthetic
- Vanillin CRS
- Vanillin Essential
- Vanillin M.P. RS
- Vanillin Nat Ex ferulic acid
- Vanillin ex Clove
- Vanillin sodium salt
- Vanillin, puriss.
- Vanilline
- Zimco
- m-Anisaldehyde, 4-hydroxy-
- methyl-Protocatechualdehyde
- oleo-Resins vanilla
- oleo-Resins vanilla-bean
- p-Vanillin
- vaniline
- vanillin
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