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CAS 1 record

CAS 79-09-4

CAS 79-09-4 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 79-09-4
CAS 79-09-4PubChem CID 1032

Propionic Acid

Propionic acid is a short-chain saturated fatty acid comprising ethane attached to the carbon of a carboxy group. It has a role as an antifungal drug. It is a saturated fatty acid and a short-chain fatty acid. It is a conjugate acid of a propionate. — ChEBI

IUPAC name
propanoic acid
Molecular formula
C3H6O2
Molecular weight
74.08 g/mol
Exact mass
74.036779430 Da
XLogP3
0.3
Topological polar surface area
37.3 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

methylacetic acidethylformic acidCarboxyethaneMetacetonic acidLuprosilEthanecarboxylic acidPseudoacetic acidMonoprop
16 more reported names
ProzoinAntischim BPropionoic acidMethyl acetic acidAcide propioniqueSentry grain preserverPropcornPropkornC3 acidTenox P grain preservativeCaswell No. 707AdofeedPropionic acid grain preserverFEMA No. 2924Kyselina propionovaFEMA Number 2924
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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 79-09-4

1 total
No records found for this CAS number.

How CAS 79-09-4 is used on this site

CAS 79-09-4 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 1 EU annex record shares 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 79-09-4 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.