Divalproex sodium description
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Description
Divalproex sodium is a stable co-ordination compound comprised of sodium valproate and valproic acid in a 1:1 molar relationship and formed during the partial neutralization of valproic acid with 0.5 equivalent of sodium hydroxide. Chemically it is designated as sodium hydrogen bis(2-propylpentanoate). Divalproex sodium has the following structure:
Divalproex sodium occurs as a white powder with a characteristic odor. Depakote tablets are for oral administration. Depakote tablets are supplied in three dosage strengths containing divalproex sodium equivalent to 125 mg, 250 mg, or 500 mg of valproic acid.
Inactive Ingredients
Depakote tablets: cellulosic polymers, diacetylated monoglycerides, povidone, pregelatinized starch (contains corn starch), silica gel, talc, titanium dioxide, and vanillin.
In addition, individual tablets contain:
125 mg tablets: FD&C Blue No. 1 and FD&C Red No. 40. 250 mg tablets: FD&C Yellow No. 6 and iron oxide. 500 mg tablets: D&C Red No. 30, FD&C Blue No. 2, and iron oxide.[1]
References
Adapted from the FDA Package Insert.