What's the active ingredient in Physan anyway?
Physan 20 is a mixture of two quaternary ammonium compounds and an
inert carrier:
n-alkyl (60% C14, 30% C16, 5%C12, 5% C18)
dimethyl benzyl ammonium chloride = 10%
n-alkyl (68% C12, 32% C14) dimethyl
ethylbenzyl ammonium chloride = 10%
INERT INGREDIENTS = 80%
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