Travoprost is a clear, colorless to light yellow viscous liquid. It is very soluble in acetonitrile and ethanol (99.5) but practically insoluble in water.
Optical rotation [α]25 365: +52° to +58° (0.2g, ethanol (99.5), 10 mL, 100 mm).
Chemical name: Isopropyl(5Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-{(1E,3R)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]but-1-enyl}cyclopentyl)hept-5-enoate.
Molecular formula: C26H35F3O6
Molecular weight: 500.55
Strength: 0.04 mg in 1 mL.
pH: 5.0-6.0.
Osmotic pressure ratio: 0.9-1.1.
Excipients/Inactive Ingredients: Polyoxyethylene hydrogenated castor oil 40, boric acid, propylene glycol, D-sorbitol, 20% polihexanide solution, pH adjuster.