SPL Set ID: 036dc753-1698-4c69-9bcf-752c7061203c
1 drug(s) with this SPL Set ID
Timolol maleate 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. The optical rotation of timolol maleate is: 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, odorless, crystalline powder which is soluble in water; sparingly soluble in ethanol; slightly soluble in chloroform; practically insoluble in ether. Timolol maleate is stable at room temperature. Timolol maleate ophthalmic solution is supplied in two formulations: Timolol Maleate Ophthalmic Solution, which contains the preservative benzalkonium chloride; and Timolol Maleate Ophthalmic Solution, the preservative-free formulation. Preservative-free Timolol Maleate Ophthalmic Solution is supplied in OCUDOSE ® , a unit dose container, as a sterile, isotonic, buffered, aqueous solution of timolol maleate. Each mL of Preservative-free Timolol Maleate Ophthalmic Solution in OCUDOSE ® 0.5% contains 5 mg of timolol (6.8 mg of timolol maleate). Inactive ingredients: monobasic and dibasic sodium phosphate, sodium hydroxide to adjust pH, and water for injection. chem structure chem