8669. Sodium Propionate

Nomenclature

CAS number: 137-40-6
Propionic acid sodium salt; Impedex (DuPont).
C3H5NaO2; mol wt 96.06.
C 37.51%, H 5.25%, Na 23.93%, O 33.31%.
CH3CH2COONa.

Properties

Transparent crystals, granules. Deliquescent in moist air. Neutral or slightly alkaline reaction to litmus. One gram dissolves in ≈1 ml water, in ≈0.65 ml boiling water, in ≈24 ml alcohol at 25°. Most active at acid pH: Wolford, Andersen, Food Ind. 17, 622 (1945); Olsen, Macy, J. Dairy Sci. 29, 173 (1946).

Use

Fungicide, mold preventative.

Therapeutic Category

Antifungal (topical).

Therapeutic Category (Veterinary)

In ketoses of ruminants (glucose precursor). Antifungal agent. Has been used in dermatoses, wound infections, conjunctivitis.

Keywords

Antifungal (Synthetic)