8607. Sodium Diacetate

Nomenclature

CAS number: 126-96-5
Sodium acid acetate; Dykon.
C4H7NaO4; mol wt 142.09.
C 33.81%, H 4.97%, Na 16.18%, O 45.04%.
CH3COONa.CH3COOH.

Description and references

Described as a “bound” compd of sodium acetate and acetic acid.

Properties

White powder, dec above 150°. Sol in water, liberating 42.25% available acetic acid.

Use

Acetic acid in solid form; sequestrant; food preservative to inhibit molds and rope-forming bacteria in bread: Glabe, Food Ind. 14, no. 2, 46 (1942).