C7H5ClO
140.56 g/mol
Pharmaceutical IntermediateWarning
4-Chlorobenzaldehyde
CAS104-88-1EC203-247-4
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-Chlorobenzaldehyde is an organic compound consisting of a benzaldehyde ring substituted with a chlorine atom at the para position. It is one of three isomeric monochlorinated benzaldehydes and serves as an intermediate in the production of dyes and pharmaceuticals.
intermediate for dyespharmaceutical 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
SimilarStructure SimilarSimilarity 0.84
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Referencestereoisomer of
4-Chloro(²H₄)benzaldehyde
CAS62285-59-0
research compound
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H411Toxic to aquatic life with long lasting effects
H320Causes eye irritation
H371May cause damage to organs
Customs Tariff Classification
The international HS code for 4-Chlorobenzaldehyde (CAS 104-88-1) is 2913.00.
HS code (international, 6-digit)
2913.00
EU CN code (8-digit)
2913 00 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-chlorobenzaldehyde
InChIKey
AVPYQKSLYISFPO-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C=O)Cl
Synonyms (22)
- PCAD
- (4-chlorophenyl)methanone
- 1-CHLORO-4-FORMYLBENZENE
- 4-Chlorbenzaldehyd
- 4-Chlorobenzaldehyd
- 4-Chlorobenzaldehyde
- 4-Chlorobenzenaldehyde
- 4-FORMYLPHENYL CHLORIDE
- 4-chlorobenzaldehye
- 4-chlorobenzoic aldehyde
- 4-chlorobezaldehyde
- 4-formylchlorobenzene
- Benzaldehyde, 4-chloro-
- Benzaldehyde, p-chloro-
- CHLOROBENZALDEHYDE, 4-
- CHLOROBENZALDEHYDE, P-
- P-CHLOROBENZALDEHYDE
- P-CHLOROPHENYLALDEHYDE
- PARA-CHLOROBENZALDEHYDE
- p-Chlorobenzenecarboxaldehyde
- rho-chlorobenzaldehyde
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