For the intellectually challenged: A harmless constituent of toothpaste

A qote from the above link

""Emergency Overview
--------------------------
DANGER! MAY BE FATAL IF SWALLOWED OR INHALED. AFFECTS RESPIRATORY SYSTEM, HEART, SKELETON, CIRCULATORY SYSTEM, CENTRAL NERVOUS SYSTEM AND KIDNEYS. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. IRRITATION EFFECTS MAY BE DELAYED.

J.T. Baker SAF-T-DATA(tm) Ratings (Provided here for your convenience)""

Don T.