SPL Set ID: 82218d5c-1625-471a-aabe-f43338e5176b
1 drug(s) with this SPL Set ID
Diclofenac potassium is a benzeneacetic acid derivative, designated chemically as 2-[(2,6-dichlorophenyl) amino] benzeneacetic acid, monopotassium salt. The molecular weight is 334.25. Its molecular formula is C 14 H 10 C l2 NKO 2 . The structural formula is: Diclofenac potassium is a faintly yellowish white to light beige, virtually odorless, slightly hygroscopic crystalline powder. It is freely soluble in methanol, soluble in ethanol, sparingly soluble in water and practically insoluble in chloroform and in dilute acid. The n-octanol/water partition coefficient is 13.4 at pH 7.4 and 1545 at pH 5.2. Diclofenac potassium has a dissociation constant (pKa) of 4.0 ± 0.2 at 25°C in water. Each diclofenac potassium tablet, USP intended for oral administration contains 25 mg and 50 mg of diclofenac potassium, USP. In addition, each tablet contains the following inactive ingredients: hydroxypropyl methylcellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch and titanium dioxide. Diclofenac Potassium tablet, Chemical Structure