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CAS 66-25-1

CAS 66-25-1 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 66-25-1
CAS 66-25-1PubChem CID 6184

Hexanal

Hexanal is a saturated fatty aldehyde that is hexane in which one of the terminal methyl group has been mono-oxygenated to form the corresponding aldehyde. It has a role as a human urinary metabolite. It is a n-alkanal, a saturated fatty aldehyde and a medium-chain fatty aldehyde. It derives from a hydride of a hexane. — ChEBI

IUPAC name
hexanal
Molecular formula
C6H12O
Molecular weight
100.16 g/mol
Exact mass
100.088815002 Da
XLogP3
1.8
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

CaproaldehydeHexaldehydeCaproic aldehyden-HexanalCapronaldehyde1-Hexanaln-CaproaldehydeHexanaldehyde
16 more reported names
HexylaldehydeAldehyde C-6n-CapronaldehydeHexoic aldehyden-Caproylaldehyden-Hexylaldehyden-HexaldehydeC6 aldehyden-Caproic aldehydeKapronaldehydFEMA No. 2557FEMA Number 25579DC2K31JJQNSC-2596CHEBI:88528E-2-hexanal
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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 66-25-1

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No records found for this CAS number.

How CAS 66-25-1 is used on this site

CAS 66-25-1 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 66-25-1 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.