SPL Set ID: bfd95433-e47a-4c5c-9bdf-77bffc13544d
1 drug(s) with this SPL Set ID
Timolol maleate ophthalmic solution 0.5% is a non-selective beta-adrenergic receptor blocking agent. Its chemical name is (-)-1-( tert -butylamino) -3- [(4-morpholino 1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate (1:1) (salt). Timolol maleate possesses an asymmetric carbon atom in its structure and is provided as the levo-isomer. Its molecular formula is C 13 H 24 N 4 O 3 S-C 4 H 4 O 4 and its structural formula is: Timolol maleate has a molecular weight of 432.49. It is a white or almost white, crystalline powder which is soluble in water, sparingly soluble in ethanol, slightly soluble in chloroform, practically insoluble in ether. Timolol maleate ophthalmic solution is stable at room temperature. Timolol maleate ophthalmic solution is supplied as a sterile, isotonic, buffered, aqueous solution of timolol maleate in a single strength. It has a pH of 6.5-7.5 and an osmolality of 275-330 mOsm/kg. Each mL of timolol maleate ophthalmic solution contains the active ingredient 5 mg of timolol (6.8 mg of timolol maleate) with the inactive ingredients benzalkonium chloride (0.05 mg/mL), monobasic sodium phosphate monohydrate, potassium sorbate 0.47%, sodium chloride, sodium hydroxide, and purified water. Image