Family · Pharmaceutical analytical standards
Butamben
A topical local anaesthetic, the butyl ester of para-aminobenzoic acid (benzocaine is its ethyl ester), patented in the early 1920s and also used in combination with other local anaesthetics. This family brings together the active ingredient.
Did you know?It is almost insoluble in water, about one part in 7,000, yet it dissolves readily in alcohol, ether, chloroform and fixed oils.
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