Material Safety Data Sheet Phenoxybenzamine HCl MSDS Section 1: Chemical Product and Company Identification Product Name: Phenoxybenzamine HCl Catalog Codes: SLP1003, SLP2812 Phenoxybenzamine | C18H22ClNO | CID 4768 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ... Overview Phenoxybenzamine for Canines and Felines; Phenoxybenzamine, Dibenzyline® is used in dogs and cats to relax the smooth muscle of the urinary bladder sphincter. Phenoxybenzamine is in the class of drugs known as alpha-adrenergic blocking agents. These drugs block or reverse the effects of alpha-receptor stimulation. Safety data sheet according to 1907/2006/EC, Article 31 Printing date 15.10.2015 Version number 1 Revision: 15.10.2015 Product name: Phenoxybenzamine Hydrochloride (Contd. from page 2) 41.2.6 · 6.4 Reference to other sections See Section 7 for information on safe handling. See Section 8 for information on personal protection equipment.