Sorry, ignore 'benzalkonium chloride'. I've discarded the bottle and I wasn't able to find the actual ingredients until now.
Here they are:
Active Ingredients
Alkyl (C14, 50%; C12, 40%; C16, 10%) 0.034%
Octyl Decyl Dimethyl Ammonium Chloride 0.026%
Didecyl Dimethyl Ammonium...
A cheap bottle I had containing benzalkonium chloride, for household cleaning, leaked entirely into one spot on my basement floor. The leakage wasn't noticed until after my carpet was bleached orange and the benzalkonium chloride solution was already dry. The carpet and padding have both been...