Get Your Dog Care Questions Answered by Experts
No, actually Magnesium Chloride is toxic to animals.
Magnesium Chloride is actually used in many 'ice melt' products and when a dog ingests it there is high probability that it will interfere with the way the electric currents run through the heart.
You can read more about it here: http://www.ehow.com/facts_6826933_magnesium-chloride-pets.html
I hope this helps.