SPL Set ID: fc0e1950-d76f-75bc-e053-6294a90a8c12

Diclofenac sodium topical solution USP, 2% w/w, contains diclofenac sodium, USP 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, USP. The inactive ingredients: dimethyl sulfoxide USP (DMSO, 45.5% w/w), ethanol (31.3% v/v), purified water, propylene glycol, and hydroxypropyl cellulose. structure