Benzocaine

Benzocaine is a local anesthetic commonly used as a topical pain reliever or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products for oral ulcers. It is also combined with antipyrine to form ab otic drops to relieve ear pain and remove earwax. Synonyms benzocaine iupac ethyl p-aminobenzoate formula c14h22n2o molecular weight 234.34 gmol cas 137-58-6; 73-78-9 (hcl) appearance no purity ≥ 99