CAS 1 record

CAS 137-40-6

CAS 137-40-6 matches 1 EU annex record across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 137-40-6

CAS 137-40-6PubChem CID 2723816

Sodium Propionate

Sodium propionate is an organic sodium salt comprising equal numbers of sodium and propionate ions. It has a role as a food preservative and an antifungal drug. It contains a propionate. — ChEBI

IUPAC name: sodium propanoate

Molecular formula: C3H5NaO2
Molecular weight: 96.06 g/mol
Exact mass: 96.01872368 Da
Topological polar surface area: 40.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 2
Defined stereocentres: 0

Also known as

Propionic acid sodium saltPropanoic acid, sodium saltOcuseptineNapropionPropisolPropionic acid, sodium saltBioban-SPropiofar

16 more reported names

DeketonImpedexKeenateMycobanNatriumpropionatPropi-ophtalSodium propionate anhydrousWhit-proPropanoic acid, sodium salt (1:1)Propionan sodnyDK6Y9P42INE281INS NO.281CHEBI:132106INS-281391O0PO49R

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:132106
ChEMBL:CHEMBL500826
EPA DTXSID:DTXSID7021996
PubMed:37269894
PubMed:35639301
PubMed:31621310
PubMed:1597404

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 137-40-6

1 total

No records found for this CAS number.

How CAS 137-40-6 is used on this site

CAS 137-40-6 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 137-40-6 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.