Information on Tremidor Insecticide

What is the reasoning behind a consumer, like myself, not being able to by or ship to Canada Termidor insecticide? Please let me know this because I can’t find an explanation. I’m assuming Canada’s pest control would have a reasonable explanation for something like this.

I have been unable to determine if Termador (Fipronil) is registered in Canada. I did find the following at Click here and at here