2-Hydroxybenzaldehyde is an aromatic aldehyde that occurs naturally in cassia oil and is used in perfumery and flavoring. It serves as an important derivative of benzaldehyde and is a key intermediate in the synthesis of coumarin.
Used in perfumeryFlavoring agentSynthesis of coumarin
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.
Safety Reference
Toxic
Harmful
Health Hazard
Environmental Hazard
Warning
H302Harmful if swallowed
H312
Customs Tariff Classification
The international HS code for 2-Hydroxybenzaldehyde (CAS 90-02-8) 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-hydroxybenzaldehyde
InChIKey
SMQUZDBALVYZAC-UHFFFAOYSA-N
SMILES
C1=CC=C(C(=C1)C=O)O
Synonyms (28)
Dembrexine Hydrochloride EP Impurity D
Dembrexine Hydrochloride Monohydrate Imp. D (EP); Dembrexine Imp. D (EP); 2-Hydroxybenzaldehyde; Salicylaldehyde; Dembrexine Hydrochloride Monohydrate Impurity D; Dembrexine Impurity D
2-Formylphenol
2-Hydroxybenzaldehyde
2-hyroxy-benzaldehyde
Benzaldehyde, 2-hydroxy-
Benzaldehyde, hydroxy-
Benzaldehyde, o-hydroxy-
FEMA 3004
Salicyladehyde
Salicylal
Salicylaldehyd
Salicylaldehyde, 8CI
Salicylaldehyde, p.a.
Salicylic aldehyde
Salizylaldehyd
hydroxy benzaldehyde
hydroxylbenzaldehyde
o-Formylphenol
o-Hydroxybenzaldehyde
salicyl aldehyde
salicylylaldehyde
Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H341Suspected of causing genetic defects
H227
H311Toxic in contact with skin
H361Suspected of damaging fertility or the unborn child
H371May cause damage to organs
H401Toxic to aquatic life
H412Harmful to aquatic life with long lasting effects
H373May cause damage to organs through prolonged or repeated exposure
H317May cause an allergic skin reaction
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
