SPL Set ID: ee26e0c9-a169-4842-ab0f-3c718bb14018

Brimonidine tartrate ophthalmic solution 0.1%, sterile, is a relatively selective alpha-2 adrenergic receptor agonist (topical intraocular pressure lowering agent). The structural formula of brimonidine tartrate is: 5-bromo-6-(2-imidazolidinylideneamino) quinoxaline L-tartrate; MW= 442.24 In solution, brimonidine tartrate ophthalmic solution has a clear, greenish-yellow color. It has an osmolality of 250-350 mOsmol/kg and a pH of 7.4-8.0. Brimonidine tartrate appears as wheatish to pale-yellow powder and is soluble in both water (0.6 mg/mL) and in the product vehicle (1.4 mg/mL) at pH 7.7. Each mL of brimonidine tartrate ophthalmic solution contains the active ingredient brimonidine tartrate 0.1% (1.0 mg/mL) with the inactive ingredients sodium carboxymethylcellulose; sodium borate; boric acid; sodium chloride; potassium chloride; calcium chloride; magnesium chloride; stabilized oxychloro complex 0.005% (0.05 mg/mL) as a preservative; water for injection; and hydrochloric acid and/or sodium hydroxide to adjust pH. brimonidine-structure