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CAS 623-27-8

CAS 623-27-8 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 623-27-8
CAS 623-27-8PubChem CID 12173

Terephthalaldehyde

IUPAC name
terephthalaldehyde
Molecular formula
C8H6O2
Molecular weight
134.13 g/mol
Exact mass
134.036779430 Da
XLogP3
0.9
Topological polar surface area
34.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

1,4-BenzenedicarboxaldehydeTerephthaldehydeTerephthaldicarboxaldehyde1,4-PhthalaldehydeUNII-M2Y6E4N2TSEINECS 210-784-8M2Y6E4N2TSP-DIFORMYLBENZENE
16 more reported names
NSC-13395HSDB 84581,4-TEREPHTHALDICARBALDEHYDE1,4-DICARBOXALDEHYDE-BENZENEpPhthalaldehydepFormylbenzaldehyde4formylbenzaldehyde1,4DiformylbenzenepBenzenedicarboxaldehydeRefChem:187952Terephthalaldehyde (8CI)1,4BenzenedicarboxaldehydeInChI=1/C8H6O2/c9-5-7-1-2-8(6-10)4-3-7/h1-6KUCOHFSKRZZVRO-UHFFFAOYSA-Np-PhthalaldehydeTerephthalic aldehyde
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 623-27-8

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No records found for this CAS number.

How CAS 623-27-8 is used on this site

CAS 623-27-8 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 623-27-8 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.