SPL Set ID: e146c7ee-d2fa-433c-8768-0945e4ff0990
1 drug(s) with this SPL Set ID
Phentolamine Mesylate for Injection, USP is an antihypertensive, available in vials for intravenous and intramuscular administration. Each vial contains phentolamine mesylate, USP, 5 mg, and mannitol USP, 25 mg, in sterile, lyophilized form. Phentolamine Mesylate, USP is 4,5-dihydro-2-[N-( m -hydroxyphenyl)-N-( p -methylphenyl) amino methyl]-1 H - imidazole 1:1 methanesulfonate, and its structural formula is Phentolamine mesylate, USP is a white or off-white, odorless crystalline powder with a molecular weight of 377.46. Its solutions are acid to litmus. It is freely soluble in water and in alcohol, and slightly soluble in chloroform. It melts at about 178°C. Chemical Structure