C8H8O3
152.15 g/mol
Flavor & FragranceWarning
2-Hydroxy-4-methoxybenzaldehyde
CAS673-22-3EC211-604-0
Category
Flavor & Fragrance
Compound Class
Aromatic
Primary Use
flavor and fragrance intermediate
2-Hydroxy-4-methoxybenzaldehyde is a chemical compound that is a positional isomer of vanillin. It is used in the flavor and fragrance industry as an intermediate.
flavor and fragrance intermediate
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
ApplicationSame Use
2'-Hydroxy-5'-methoxyacetophenone
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flavor and fragrance intermediate
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3'-Methoxypropiophenone
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flavor and fragrance intermediate
ApplicationSame Use
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flavor and fragrance intermediate
ApplicationSame Use
4-isopropylacetophenone
CAS645-13-6
flavor and fragrance intermediate
ReferenceSame Category
(S)-citronellol acetate
CAS67601-05-2
aroma and fragrance ingredient
ReferenceSame Category
Allyl (3-methylbutoxy)acetate
CAS67634-00-8
Fragrance ingredient in consumer products
ReferenceSame Category
6,6-Dimethoxy-2,5,5-trimethylhex-2-ene
CAS67674-46-8
fragrance ingredient
ReferenceSame Category
Conifer acetate
CAS67874-72-0
fragrance ingredient for pine woody scents
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Hydroxy-4-methoxybenzaldehyde (CAS 673-22-3) is 2912.49.
HS code (international, 6-digit)
2912.49
EU CN code (8-digit)
2912 49 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-hydroxy-4-methoxybenzaldehyde
InChIKey
WZUODJNEIXSNEU-UHFFFAOYSA-N
SMILES
COC1=CC(=C(C=C1)C=O)O
Synonyms (18)
- 2-Formyl-5-methoxyphenol
- 2-Hydroxy-p-anisaldehyde
- 2-hydroxyanisaldehyde
- 4-METHOXY SALICYLAIDEHYDE
- 4-Methoxy salicylicaldehyde
- 4-Methoxysalicyaldehyde
- 4-Methoxysalicylaldehyde
- 4-o-Methylresorcylaldehyde
- Entacapone Impurity 65
- Salicylaldehyde, 4-methoxy-
- p-Anisaldehyde, 2-hydroxy-
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