Contains ethyl cyanoacrylite which some my glues that i used contained and no deaths in my tank after 6 months so far,on my research cyanoacrylite is the glue we wanting ( ca) and ethyl is in most superglues just some dont say it.google it to get reasoning and info about it but from my research months ago i deemed it safe.cant remember off top my head without googling
Here you go just did quick google for some info
What is CA glue? What types are there? How do it cure? We are answering the most common questions about cyanoacrylate adhesives.
www.gluegun.com