SPL Set ID: 3e15c3db-5245-76fb-e063-6394a90a814e

Diclofenac sodium topical solution USP, 2% contains diclofenac sodium, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to slightly 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 (31.46% v/v), hydroxypropyl cellulose, propylene glycol and purified water. Chemical Structure