ALOCRIL† (nedocromil sodium ophthalmic solution) 2% is a clear, yellow, sterile solution for topical ophthalmic use.

Nedocromil sodium is represented by the following structural formula:

Chemical Name: 4H-Pyrano[3,2-g] quinoline-2, 8-dicarboxylic acid, 9-ethyl-6, 9-dihydro-4, 6-dioxo-10-propyl-, disodium salt.

Each mL contains: Active: Nedocromil sodium 20 mg (2%); Preservative: Benzalkonium chloride 0.01%; Inactives: Edetate disodium 0.05%; purified water; and sodium chloride 0.5%. It has a pH range of 4.0 to 5.5 and osmolality range of 270 to 330 mOsm/kg.