C8H6O2
134.13 g/mol
Industrial ChemicalDanger
1,4-Benzenedicarboxaldehyde
CAS623-27-8EC210-784-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
chemical manufacturing intermediate
1,4-Benzenedicarboxaldehyde, also known as This compound, is an organic compound featuring two aldehyde groups attached to a benzene ring. It is primarily used as an intermediate in chemical manufacturing.
manufacture of substanceslaboratory chemicals
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 0.79
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Comonomer for polymer production
Safety Reference
Danger
H302Harmful if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 1,4-Benzenedicarboxaldehyde (CAS 623-27-8) is 2912.29.
HS code (international, 6-digit)
2912.29
EU CN code (8-digit)
2912 29 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
terephthalaldehyde
InChIKey
KUCOHFSKRZZVRO-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C=O)C=O
Synonyms (33)
- 1,4-Benzenedialdehyde
- 1,4-Benzenedicarbaldehyde
- 1,4-Benzenedicarboxaldehyde
- 1,4-DICARBOXALDEHYDE-BENZENE
- 1,4-Phthalaldehyde
- 1,4-TEREPHTHALDICARBALDEHYDE
- 1,4Diformylbenzene
- 4formylbenzaldehyde
- 6-BENZOTHIAZOLESULFONAMIDE
- Benzene-1,4-dicarboxaldehyde
- P-DIFORMYLBENZENE
- Terephtaldehyde
- Terephtaldehydes
- Terephtaldehydes [French]
- Terephthaladehyde
- Terephthalaldehyde (8CI)
- Terephthaldehyde
- Terephthaldialdehyde
- Terephthaldicarboxaldehyde
- Terephthalic aldehyde
- benzene-1,4-dicarbaldehyde
- p-Benzenedialdehyde
- p-Phthaldialdehyde
- pBenzenedicarboxaldehyde
- pFormylbenzaldehyde
- pPhthalaldehyde
- terephtaldicarboxaldehyde
- terephthal aldehyde
- terephthalaldehyd
- terepthaldehyde
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