SPL Set ID: e7304b3e-530a-4519-aed0-bed4512d8925

Diclofenac sodium topical solution, USP 2% w/w contains diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2[(2,6-dichlorophenyl) amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium. The inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), ethanol 96% (alcohol 31.38% v/v), purified water, propylene glycol, and hydroxypropyl cellulose. diclo-structure